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homo- 或 hom-
pref.（前缀）
  1. Same; like:
    相同的；象：
    homophone.
    同音异义词

语源
  1. Greek
    希腊语
  2. from homos [same] * see sem- 1
    源自 homos [相同的] *参见 sem- 1
homo-

combining form

being the same or like
⇒ homologous
⇒ homosexual
Compare hetero-

Origin

via Latin from Greek, from homos same

homo-

Word Origin
1
a combining form appearing in loanwords from Greek, where it meant “same” (homology); on this model, used in the formation of compound words (homomorphic).
Also, especially before a vowel, hom-.
Origin
< Greek, combining form of homós one and the same; akin to Sanskrit sama-; see same

Related Words

  • homochrome
  • homologous
  • anomalous
  • hom-
  • homocentric
  • homocercal
homo-a word element meaning 'the same' (opposed to hetero-), as in homocercal.
[Greek, combining form of homos same]
homo-
⇨ see hom-
homo-
/ˈhɒməʊ/  
combining form
1.
same
表示“同样”, “相同”：

homogametic.

2.
relating to homosexual love
表示“与同性恋有关的”：

homoerotic.

常与HETERO- 相对。

词源
from Greek homos 'same'.
homo-before a vowel hom-. a. combining form of Gr. ὁµός same; a formative of many scientific and other terms, often in opposition to hetero-. The more important of these, with their derivatives, will be found in their alphabetical places; others, of less importance or frequency, follow here.The pronunciation of the first syllable, with primary or secondary stress, varies; etymologically the o is short |ɒ| and is so usually pronounced by scholars (cf. holo-); but popularly it is often |əʊ|; when stressless it is |əʊ| (though some make it |ɒ|).homacanth |ˈhɒməkænθ| a. Ichth. [Gr. ἄκανθα thorn, spine], having the spines of the dorsal and anal fins symmetrical; opp. to heteracanth; homatomic |hɒməˈtɒmɪk| a., consisting of like atoms; opp. to heteratomic; homaxonial |-ækˈsəʊnɪəl|, homaxonic |-ækˈsɒnɪk| adjs., in Morphol., having all the axes equal; homobaric |-ˈbærɪk| a. [Gr. βάρος weight], of uniform weight; homoblastic |hɒməʊˈblæstɪk| a. Biol. [Gr. βλαστός germ], arising from cells of the same kind; opp. to heteroblastic; homobranchiate |-ˈbræŋkɪət| a. Zool. [Gr. βράγχια gills], having gills of uniform structure: applied to decapod crustaceans; opp. to heterobranchiate; homocarpous |-ˈkɑːpəs| a. Bot. [Gr. καρπός fruit], applied to composite plants in which all the fruits arising from a flower-head are alike; opp. to heterocarpous; homocategoric |ˌhɒməʊkætɪˈgɒrɪk| a. [see categoric], belonging to the same category; ˈhomocharge, the charge on an electret polarized in the same direction as the original polarizing field; homochiral |hɒməʊˈkaɪərəl| a. [Gr. χείρ hand], of identical form and turned in the same direction, as two right or two left hands; opp. to heterochiral; hence homoˈchirally adv.; homochlaˈmydeous a. Bot. [Gr. χλαµύς cloak], having the outer and inner layers of the perianth alike, not differentiated into sepals and petals; † homoˈchresious (erron. -cresious) a. Obs. [Gr. χρῆσις use], relating to the same commodity or use; opp. to heterochresious; homochromic |-ˈkrəʊmɪk|, -chromous |-ˈkrəʊməs| adjs. [Gr. χρῶµα colour], of the same colour, as the florets of most Compositæ; opp. to heterochromous; see also quot. 1876; hoˈmochromy Zool., cryptic colouring (of an animal); homochronous |həʊˈmɒkrənəs| a. [Gr. χρόνος time], occurring at the same time, or at corresponding times (cf. heterochronous); homoˈcyclic a. Chem., containing or designating a ring formed of atoms of a single element; homodemic |-ˈdɛmɪk| a. [Gr. δῆµος people, tribe] = homophylic; homodermatous |-ˈdɜːmətəs|, -dermous |-ˈdɜːməs| adjs. Zool. [Gr. δέρµα skin], having the skin or integument of uniform structure, as certain serpents; opp. to heterodermatous; homoˈdermic a. Biol. [as prec.], derived from, or relating to derivation from, the same primary blastoderm (endoderm, mesoderm, or ectoderm) of the embryo; homoˈdesmic a. Chem. [Gr. δεσµ-ός bond], containing only a single kind of chemical bond; homodyˈnamic a. Ent. [ad. F. homodyname (E. Roubaud 1922, in Bull. Biol. de la France et de la Belg. LVI. 470)], (of an insect, its life cycle, etc.) characterized by a continuous succession of generations throughout the year, so long as reasonably favourable conditions prevail; homodynamous |hɒməʊˈdɪnəməs| a. Comp. Anat. [Gr. δύναµις power, force], (a) having the same force or value; applied (after Gegenbaur) to parts serially homologous; (b) = homodynamic; so homodynamy |-ˈdɪnəmɪ|, the condition of being homodynamous; ˈhomodyne [after heterodyne], a name given to a radio receiver and a method of detection which employs a local oscillator tuned to the carrier frequency of the detected signal; homogangliate |-ˈgæŋglɪət| a. Zool., having the ganglia of the nervous system symmetrically arranged, as in the Articulata; opp. to heterogangliate; homoglot |ˈhɒməglɒt| a. [Gr. -γλωττος -tongued; cf. polyglot], having the same language; homoˈhedral a. [Gr. ἕδρα seat, base], (properly) having like or corresponding faces; but used by Miller as = holohedral; ˈhomojunction Electronics [junction 2 b], an area of contact between different conductivity types of a single semiconducting material; homoˈlateral a., on or affecting the same side of the body; homoˈlecithal a. Embryol. [Gr. λέκῐθος yolk of an egg], (of an egg cell) having the yolk uniformly distributed throughout the cytoplasm; homomalous |həʊˈmɒmələs| a. Bot. [Gr. ὁµαλός even, level], applied to leaves or branches (esp. of mosses) which turn in the same direction: opp. to heteromalous; hoˈmomeral, -ˈomerous adjs. [Gr. µέρος part], having like or corresponding parts (Cent. Dict.); homoˈmetrical a., in the same metre; hence homoˈmetrically adv.; homoˈmorphosis Biol., the regeneration of an organ or part similar to the one lost; homonemeous |-ˈniːmiːəs| a. Bot. [Gr. νῆµα thread, filament], applied (after Fries) to algæ and fungi in which the filaments in germination produce a homogeneous body; opp. to heteronemeous (Mayne Expos. Lex. 1854); homo-organ Biol. = homoplast 2; homopathy |həʊˈmɒpəθɪ| [Gr. ὁµοπάθεια, f. πάθος suffering], sameness of feeling, sympathy (cf. heteropathy); homoperiˈodic a., agreeing in having the same periods; homopetalous |-ˈpɛtələs| a. Bot., having the petals alike; opp. to heteropetalous (Mayne 1854); homophyadic |-faɪˈædɪk| a. Bot. [late Gr. ϕυάς, ϕυαδ- shoot, sucker], producing only one kind of stem, as some species of Equisetum; opp. to heterophyadic; homophylic |-ˈfɪlɪk| a. Biol. [cf. Gr. ὁµόϕυλος of the same race or stock], belonging to the same race; relating to homophyly; homophyllous |hɒməʊˈfɪləs| a. Bot. [Gr. ϕύλλον leaf], ‘having leaves or leaflets all alike’ (Mayne 1854); opp. to heterophyllous; homophyly |həʊˈmɒfɪlɪ| [Gr. ὁµοϕυλία], the condition of being of the same race; homoˈpolymer Chem., a polymer formed from only one kind of monomer; so ˌhomopolyˈmeric a.; ˌhomopolymeriˈzation Chem. [a. G. homopolymerisation (T. Wagner-Jauregg 1930, in Ber. d. Deut. Chem. Ges. LXIII. 3213)], a reaction in which identical molecules become joined, forming a homopolymer; so homoˈpolymerize v. trans. and intr., to form a homopolymer (of); ˌhomopolyˈsaccharide Chem., any polysaccharide composed of molecules of a single monosaccharide; homoproral |-ˈprɔərəl| a. Zool. [L. prōra prow], having equal or similar proræ, as a pterocymba in sponges; opp. to heteroproral; hoˈmorgan Biol. = homo-organ; ˌhomosceˈdastic a. Statistics [Gr. σκεδαστ-ός capable of being scattered (σκεδάννῡµι to scatter)], of equal scatter or variation; having equal variances; so ˌhomoscedaˈsticity; homoseismal |-ˈsaɪzməl| a. and n., homoˈseismic a. [Gr. σεισµός earthquake], proposed substitutes for coseismal, coseismic; homosporous |həʊˈmɒspərəs| a. Bot. [Gr. σπόρος seed], producing only one kind of spores; opp. to heterosporous; homoˈstatic a. Med. and Biol., applied to transplant tissue which is inert and not actively growing in the donor's body; opp. homovital adj.; homostaural |-ˈstɔːrəl| a. [Gr. σταυρός cross], having a regular polygon as the base of the pyramid; said of a homopolar, stauraxonial figure; opp. to heterostaural; homosystemic |-sɪˈstɛmɪk| a., belonging to the same system; homotatic |-ˈtætɪk| a. Dynamics [Gr. τατός vbl. adj. of τείνειν to stretch; τάσις stretching, tension], ‘pertaining to a homogeneous stress’ (Cent. Dict.); homoteleutic |-tɪˈljuːtɪk| a. [cf. homœoteleutic], having the same ending; homoˈthallic a. Biol., (of a fungus) having no genetically controlled incompatibility system; not heterothallic; so homoˈthallism, -ˈthally, the condition of being homothallic; ˈhomotherm Zool. = homœotherm (s.v. homœothermic a.); homoˈthermic a. Zool. = homœothermic a.; homothermous |-ˈθɜːməs| a. Biol. [Gr. θερµός hot], having a uniform temperature, which does not vary with that of the surroundings, as warm-blooded animals; opp. to heterothermal; homothetic |-ˈθɛtɪk| a. Geom. [Gr. θετικός, f. τιθέναι to place], similar and similarly placed; also extended to any figures in homology with reference to the line at infinity as axis of homology; † homoˈtimous a. Obs. [Gr. ὁµότῑµος, f. τῑµή honour], held in equal honour; homotonous |həʊˈmɒtənəs| a. [Gr. τόνος tone], having the same tone or sound; hence hoˈmotonously adv.; so hoˈmotony, sameness of tone; homoˈvital a. Med. and Biol., applied to transplant tissue which in the donor's body contains actively multiplying cells; opp. homostatic adj.1880Günther Fishes 41 If in the depressed position the spines cover one another completely, their points lying in the same line, the fish is called *homacanth.1883P. Geddes in Encycl. Brit. XVI. 845/1 Questions of symmetry, for which Haeckel's nomenclature of *homaxonial, homopolic, etc. is distinctly preferable.1885E. R. Lankester Ibid. XIX. 849/2 A spherical (*homaxonic)..perforated shell of membranous consistence.a1889N.Y. Herald (Worcester Suppl.), A *homobaric cargo.1888*Homoblastic [see heteroblastic s.v. hetero-].1854Mayne Expos. Lex. s.v. Homobranchiatus, Crustacea, including such as have gills pyramidal and composed of layers piled one upon another: *homobranchiate.Ibid., Homocarpus,..*homocarpous.1866Treas. Bot., Homocarpous, having all the fruits of a flower-head exactly alike.1883P. Geddes in Encycl. Brit. XVI. 845/1 Whether two organisms..are of the same category of individuality—are *homocategoric.1935A. Gemant in Phil. Mag. XX. 933 We observe both kinds of charges on electrets. One has the opposite sign to that of the adjacent polarizing electrode,..the other has the same sign as the adjacent polarizing electrode, and will be denoted as *homocharge.1965New Scientist 27 May 590/2 Under a certain critical applied field the heterocharge decays to a constant value and a homocharge does not appear.1879*Homochiral [see heterochiral s.v. hetero-].1889Sir W. Thomson Math. & Phys. Papers (1890) III. 410 note, Two men of exactly equal and similar external figures would be..*homochirally similar if each holds out his right hand, or each his left.1893― in Academy (1894) 1 Sept. 150/2 Two equal and similar right-hands are homochirally similar.1895S. H. Vines Students' Text-bk. Bot. II. 512 When the perianth-leaves are all alike, the flower is said to be *homochlamydeous.1876tr. Haeckel's Hist. Creat. I. xi. 263 Darwin's *homochromic selection of animals, or the so-called ‘sympathetic selection of colours’.1842Brande Dict. Sci. etc., *Homochromous.1850Hooker & Arnott Brit. Flora (ed. 6) 199 Tanacetum. Heads discoid, homochromous.1899Natural Sci. Dec. 396 *Homochromy and other protective adaptations.1967Oceanogr. & Marine Biol. V. 470 The chiton Middendorfia caprearum shows a conspicuous homochromy with the substratum.1876tr. Haeckel's Hist. Creat. I. 217 The law of contemporaneous or *homochronous transmission, which Darwin calls the law of ‘transmission in corresponding periods of life’.1612Sturtevant Metallica (1854) 70 *Homocresious inuentions are such which produce..emporeuticall workes for the same use. So a horse-milne, a water-milne, a wind-milne are Homocresious, because they all grinde flower.1903Nature 17 Sept. 475/1 The rings may be either *homocyclic or heterocyclic without the character of the spectra being altered.1932H. G. Rule tr. Schmidt's Text-bk. Org. Chem. (ed. 2) ii. i. 347 These [sc. carbocyclic compounds] are sometimes called homocyclic or isocyclic compounds.1961G. M. Badger Chem. Heterocyclic Compounds i. 10 The systematic method for naming dicyclic and polycyclic compounds follows that used for homocyclic compounds.1883P. Geddes in Encycl. Brit. XVI. 845/1 The parts and units thus recognized by ontogenetic research, respectively or successively homodermic, homosystemic, and *homodemic, may..be termed..either ‘specially homologous’, ‘homogenous’, ‘homophylic’, or ‘homogenetic’ in the language of phylogenetic theory.1854Mayne Expos. Lex., *Homodermatous.1883*Homodermic [see homodemic].1886Vines in Encycl. Brit. XX. 421/1 This correspondence, which is of high..importance in determining homologies, may be termed homodermic.1886Syd. Soc. Lex., *Homodermous,..applied to those snakes which have the scales equal in size over the body.1939R. C. Evans Introd. Crystal Chem. i. 8 Crystals..in which only one type of force occurs, are said to be *homodesmic.1957H. D. Megaw Ferroelectr. in Crystals 205 In a homodesmic structure it is incorrect to speak of ‘molecule’ or ‘molecular weight’, since the molecule is coextensive with the crystal.1931Trans. Entomol. Soc. LXXIX. 105 The outstanding characteristic of this *homodynamic..type of development is the absence of a definite annual life-cycle, the number of generations in a year depending on the actual weather conditions.1964Borror & DeLong Introd. Study Insects (rev. ed.) iii. 44 Many insects, particularly those living in the tropics, have a homodynamic life cycle; that is, development is continuous and there is no regular period of dormancy.1878Bell Gegenbaur's Comp. Anat. 415 They appear to be *homodynamous organs, which gradually get to vary greatly in form in correlation with their great variety of function.Ibid. 446 Nerves..homodynamous with the spinal nerves.1929V. E. Shelford Lab. & Field Ecol. vi. 160 Roubaud separates the higher Diptera into two categories, homodynamous and heterodynamous.1878Bell Gegenbaur's Comp. Anat. 64 *Homodynamy..subsists between parts of the body which are affected by a general morphological phænomenon serially expressed in the organism.1928Sterling & Kruse Radio Man. iv. 149 If the local generated frequency is tuned to exactly the same frequency as the received signals..the condition of ‘zero beat’ is said to exist. This means of receiving has also been termed ‘*homodyne’ method.1965New Scientist 11 Feb. 344/1 The approach adopted..is to stabilise the laser at a single frequency, using an ‘optical homodyne’ receiver. The system uses a helium-neon laser stabilised at 6328 angstroms as both transmitter and local oscillator.1835–6Todd Cycl. Anat. I. 245/1 This *homo-gangliate disposition of the nervous system.1841–71T. R. Jones Anim. Kingd. (ed. 4) 291 The jointed legs developed in more highly organized forms of homogangliate beings.1859Life E. Henderson 123 The inhabitants of Scania and those of Zealand may have been *homoglot.1877W. A. Miller Elem. Chem. (ed. 6) i. §82. 143 *Homohedral or Holohedral forms, are those which..possess the highest degree of symmetry of which the system admits.1960R. L. Anderson in IBM Jrnl. Res. & Devel. IV. 287 Junctions between two dissimilar semiconductors will be referred to as heterojunctions and those in the same semiconductor with different doping as *homojunctions.1966New Scientist 11 Aug. 316/3 On bringing two conductivity types of the same material..into contact, in a homojunction, considerable border disturbances take place between the hordes of electrons and holes confronting each other.1971Sci. Amer. July 39/2 The structure therefore has a p-n junction in gallium arsenide (a homojunction).1910Practitioner July 98 Should the lesion be in or close to the red nucleus, the tremor will be on the opposite side of the body, while if any other part of the system be affected the tremor will be *homolateral.1919Jrnl. Exper. Zool. XXIX. 255 At the sides of the body, those parts innervated by the pallial strands are conspicuously homolateral in their responses.1956Nature 17 Mar. 529/2 These thoracic responses also remained when the major portion of the homolateral corpora pedunculata was removed.1892E. L. Mark tr. Hertwig's Text-bk. Embryol. i. 28 The translator has been accustomed for several years to use the word *homolecithal instead of alecithal, heterolecithal being employed as a coördinate term to embrace telolecithal and centrolecithal eggs.1914W. E. Kellicott Textbk. Gen. Embryol. iii. 93 It is often difficult to distinguish the telolecithal egg from the homolecithal type.1958B. M. Patten Found. Embryol. iv. 78 In the egg of Amphioxus the yolk is relatively meager in amount and fairly uniformly distributed throughout the cell. An ovum with such a yolk distribution is termed isolecithal (homolecithal).1854Mayne Expos. Lex., Homomallus,..*homomallous.1864Webster, Homomalous.1881West in Jrnl. Bot. X. No. 220. 115 In Timmia austriaca..they [the leaves] seem to have a homomallous tendency.1854Mayne Expos. Lex., Homomeris,..those in which the rings of the body are like each other: *homomerous.1877C. B. Cayley (title) The Iliad of Homer, *Homometrically translated.1901T. H. Morgan Regeneration 23 When the new part is like that removed, or like a part of that removed, as when a leg or a tail is regenerated in a newt, the process is one of ‘*homomorphosis’.1967Gardiner & Flemister Princ. Gen. Biol. (ed. 2) xxii. 464/1 The conditions of homo- and heteromorphosis make it apparent that in the construction of a new part the old exerts some kind of influence.1883P. Geddes in Encycl. Brit. XVI. 842/2 The idorgan..is..defined as a morphological unit consisting of two or more plastids, which does not possess the positive character of the person or stock. These are distinguished into homoplasts or *homo-organs and alloplasts or alloeorgans.1678Cudworth Intell. Syst. i. v. 826 That συµπάθεια, or Ὁµοπάθεια, That Sympathy, or *Homopathy, which is in all Animals..It being One and the Same thing in them, which Perceives Pain, in the most distant Extremities of the Body..and which moves one Part to succour and relieve another labouring under it.1893Forsyth Th. Functions §116. 224 Two functions which are doubly-periodic in the same period..Note. Such functions will be called *homoperiodic.Ibid. 226 Homoperiodic functions of the same class are equivalent to one another if they have the same infinities.1889Bennett & Murray Cryptog. Bot. 113 The classification of the species into two distinct groups of ‘*homophyadic’ and ‘heterophyadic’ is not a natural one.1883*Homophylic [see homodemic].1883P. Geddes in Encycl. Brit. XVI. 845/1 Haeckel proposed to term *homophyly the truly phylogenetic homology in opposition to homomorphy, to which genealogic basis is wanting.1946A. M. Ross in Richardson & Wilson Fund. Plastics ix. 146 Neither the vinyl chloride-vinyl acetate copolymers nor the vinylidene chloride-vinyl chloride copolymers can be fractionated so as to yield either pure *homopolymer.1970New Scientist 30 Apr. 230/3 Teflon homopolymers are good reinforcing fillers.1971Nature 26 Nov. 197/1 Combinations of synthetic primer oligomers with *homopolymeric templates..allow one to distinguish the viral enzyme from other DNA polymerases.1931Chem. Abstr. XXV. 2419 The hydrocarbons which are well adapted to heteropolymerization show no marked tendency to *homopolymerization.1937R. S. Morrell et al. Synthetic Resins x. 251 Products..not easily obtained by homopolymerization.1963A. J. Hall Textile Sci. ii. 88 It [sc. acrylonitrile] very readily undergoes polymerisation by itself (homopolymerisation) and with other polymerisable compounds (copolymerisation).1952C. E. Schildknecht Vinyl & Related Polymers iii. 173, 2-Isopropenyl thiophenes would not *homopolymerize on heating with peroxide catalyst, but..copolymerized with butadiene.1957Ann. N.Y. Acad. Sci. LXIX. 334 Some amino acids..do not homopolymerize to linear peptides under the thermal conditions that were employed.1970Nature 3 Jan. 60/1 Bis-(betachloroethyl) vinyl phosphonate is difficult to homopolymerize by a free radical mechanism to high molecular weight polymers.1948W. Pigman Chem. Carbohydrates xii. 513 Members of the first class (*homopolysaccharides) give only one monosaccharide type when completely hydrolyzed.1970G. O. Aspinall Polysaccharides i. 5 The first broad division in the classification of polysaccharides is between homopolysaccharides..and heteropolysaccharides.1887*Homoproral [see heteroproral s.v. hetero-].1905K. Pearson in Drapers' Company Res. Mem. (Biometric Ser.) ii. 22 If..all arrays are equally scattered about their means, I shall speak of the system as a *homoscedastic system, otherwise it is a heteroscedastic system.1934Brit. Jrnl. Psychol. XXIV. 337 It is essential for factor studies that the correlation surfaces of the pairs of variables should be comparable. This is the case when each is homoscedastic, homoclitic, with rectilinear regression lines.1970Nature 12 Dec. 1098/1 Although the compared sample groups appear to be homoscedastic (F test) and results from the t test are significant (P 1905Drapers' Company Res. Mem. (Biometric Ser.) ii. 22, χl = 1 is a necessary result of *homoscedasticity.1957Dixon & Massey Introd. Statistical Analysis (ed. 2) xi. 199 The regression curve of Y on X and the regression curve of X on Y are both straight lines with homoscedasticity (constant variance) for both X and Y variables.1887Goebel Morphol. Plants 228 The heterosporous [family]..Salvineaceae comes very near to the *homosporous Ferns.1952W. P. Longmire in Jrnl. Nat. Cancer Inst. XIV. 669 The term *homostatic graft might be applied to inert tissues such as bone and cartilage when transferred from one individual to another of the same species; and the term homovital graft might be used in reference to grafts whose cells must continue to grow and reproduce for the graft to be effective after similar transplantation.1971Billingham & Silvers Immunobiol. Transplantation vi. 93 The long-term preservation of homostatic grafts is relatively simple.1883*Homosystemic [see homodemic].1821Blackw. Mag. X. 384 They are merely *homoteleutic, and..do not rhyme any more than correct with direct.1904,1959*Homothallic [see heterothallic adj. s.v. hetero-].1967M. E. Hale Biol. Lichens iii. 42 There is good reason..to suppose that lichens are homothallic.1906A. F. Blakeslee in Science 27 July 120/2 *Homothallism and heterothallism therefore seem to be fixed conditions in the forms in which the sexual character has been determined.1966J. R. Raper Genetics of Sexuality in Higher Fungi iii. 40 Three types of homothallism are found among self-fertile species.1942Nature 10 Jan. 56/1 It is also possible that such behaviour exists as a stage in the transit between full *homothally and full heterothally.1949Darlington & Mather Elem. Genetics xii. 240 In some fungi..two cells of a single haploid hypha fuse in sexual reproduction. This is called homothally.1934Webster, *Homotherm.1960K. Schmidt-Nielsen Animal Physiol. iii. 42 As an example of temperature regulation in a homotherm, let us look at the situation in man.1971Language XLVII. 417 Homotherms—that is, warm-blooded vertebrates, such as birds and mammals.1890Billings Med. Dict. I, *Homothermic.1901Proc. R. Soc. LXVIII. 353 Variation in production of heat is the ancestral method of homothermic adjustment.1960K. Schmidt-Nielsen Anim. Physiol. iii. 38 Homothermic animals maintain a constant body temperature.1881I. C. Rosse Cruise Corwin 12 Such *homothermous animals as whales, seals, walrus [etc.].1880G. S. Carr Synops. Math. Index, *Homothetic conics.1892E. J. Routh Analyt. Statics II. §182 A shell bounded by two similar and similarly situated surfaces has been called a homothetic shell by Chasles (1837). This is a convenient term when the surfaces are either not concentric or not ellipsoids.1658J. Robinson Eudoxa v. 36 We speak of *Homotimous persons, level in the same degree of honour.1775Ash, *Homotonous.1785Cowper in Life & Wks. (1835–7) II. 195 To discover homotonous words in a language abounding with them like ours, is a task that would puzzle no man competently acquainted with it.1855Bagehot Lit. Stud. (1895) I. 141 Closing every couplet with sounds homotonous.1822–34*Homotonously [see heterotonously s.v. hetero-].1763Langhorne Effus. Friendsh. (L.), Thomson has often fallen into the *homotony of the couplet.1952*Homovital [see homostatic above].1959P. B. Medawar in L. A. Peer Transplantation of Tissues II. ii. 41 Homovital grafts start alive and..remain so, but homostatic grafts are progressively revitalized by the tissues of their hosts.b. In Chemistry, denoting a compound homologous with that whose name follows (see homologous 3), as in homatropine, homocuminic, homolactic, homosalycilic acids, homocinchonine, homofluoresceine, homopyrocatechin, homoquinine.1865–72Watts Dict. Chem. III. 163 Homocuminic Acid, an acid homologous with cuminic acid.Ibid., Homolactic Acid,..name..given by Cloez..to an acid, isomeric if not identical, with glycollic acid.1880W. A. Miller's Chem. (ed. 6) iii. i. 684 Creosol or Homocatechol Monomethylin.1881Athenæum 15 Jan. 99/3 Homo-fluoresceine, a new Colouring Matter from Orcine and its Derivatives.Ibid. 24 Dec. 856/3 The authors have extracted from the bark of the China Cupræa an alkaloid closely resembling quinine in its general properties..They have named it homoquinine.
homo-
1
word-forming element meaning "same, the same, equal, like," before vowels hom-, from Greek homos "one and the same," also "belonging to two or more jointly," from PIE *somos (cognates: Sanskrit samah "even, the same," Lithuanian similis "like," Gothic sama "the same," samana "together;" see same).
2
word-forming element meaning "homosexual," abstracted since early 20c. from homosexual, and ultimately identical to homo-(1).
homo- /ˈhɒməʊ, ˈhəʊməʊ/ combining form. Before a vowel also hom-.
ORIGIN: from Greek homos same: see -o-.
1.Used in words adopted from Greek and in English words modelled on these, and as a freely productive prefix, with the sense ‘same, equal’. Freq. opp. hetero-.
2.[Extracted from homologue.] Chemistry. Forming names of compounds which are homologues (usu. by addition of ·CH2·) of those whose names follow, as homatropine, homocitrate, homoserine, etc.
 DERIVATIVE homacanth adjective (Ichthyology) having the spines of the dorsal and anal fins symmetrical L19.
homoˈcercal adjective [Greek kerkos tail] Ichthyology designating or possessing a tail with equal lobes, esp. with the spine deflected into the upper lobe M19.
homochlaˈmydeous adjective [Greek khlamud-, khlamus cloak] Botany having the outer and inner layers of the perianth alike, not differentiated into sepals and petals L19.
homoˈchromous adjective (chiefly Botany) of uniform colour M19.
homochromy noun (Zoology) cryptic coloration L19.
homoclime noun (Geography) any of several places or regions having a similar climate E20.
homoˈcyclic adjective (Chemistry) containing or designating a ring formed of atoms of a single element E20.
homoˈcysteine noun (Biochemistry) an amino acid, HSCH2CH2CH(NH2)COOH, formed as an intermediate in the metabolism of methionine and cysteine M20.
homoˈdesmic adjective (Crystallography) containing only a single kind of chemical bond M20.
homodimer noun (Chemistry) a dimer of two identical subunits L20.
homodont adjective (Zoology) of or possessing teeth all of the same type (as reptiles) L19.
homogeˈnetic adjective having a common descent or origin L19.
homogenˈtisic adjective (Chemistry): homogentisic acid, an organic acid, intermediate in the metabolism of aromatic amino acids and excreted by persons with alkaptonuria; 2,5-dihydroxyphenylacetic acid: L19.
homograft noun = homotransplant noun E20.
homoˈlateral adjective (chiefly Medicine) on or affecting the same side (of the body) E20.
homoˈlecithal adjective (of an egg or egg cell) having the yolk uniformly distributed throughout the cytoplasm L19.
homoˈnuclear adjective (Chemistry etc.) (a) (of substitution) taking place on the same ring in a polycyclic molecule; (b) composed of atoms whose nuclei are identical: M20.
homoˈpolar adjective characterized by equal or constant polarity L19.
homosceˈdastic adjective [Greek skedastos able to be scattered, from skedannunai scatter] Statistics of equal scatter or variation; having equal variances: E20.
homoscedaˈsticity noun (Statistics) equal or constant variance E20.
hoˈmosporous adjective (Biology) producing only one kind of spore L19.
hoˈmospory noun (Biology) homosporous condition E20.
homoˈthallic adjective (Mycology) having self-fertile thalli E20.
homoˈthallism noun the state or condition of being homothallic E20.
homoˈthally noun = homothallism M20.
homotherm noun = homeotherm M20.
homoˈthermic adjective = homeothermic L19.
☞ homo
homo-
I. \in pronunciations below, | ̷ ̷ ̷ ̷ . |hō(ˌ)mō or |hä(ˌ)mō or -_mə\
— see hom-
II.
— see hom- herein

homo- 1

Prefix

  1. same

Etymology

From Ancient Greek ὁμός (homós, “same”).

Antonyms

  • hetero-

    • Derived terms

    English words prefixed with homo-


    homo- 2

    Prefix

    1. of or pertaining to homosexuals or homosexuality

    Etymology

    From homosexual.

    Derived terms

  • homoerotic
  • homophobia

    • homo- 3

    Prefix

    1. organic chemistry Used to form the names of compounds derived from simpler ones by addition of a methylene group

    Etymology

    From homologue.

    Derived terms

  • homophenylalanine (and many more)

    • 前缀：homo- 同

    homotype 同型

    homopolar 同极的

    homosexual 同性恋的

    homophone 同音异义词

    homocentric 同中心的

    homograph 同形异义词

    homothermic 同温的

    homogeneous 同族的

    词根：homo- = 表示“同类的”

    homogeneous 同类的；同族的（homo+gen产生＋eous→产生相同的）

    homosexual 同性恋的（homo+sexual性别的）

    homocentric 同中心的（home+centric中心的）

    homogenize 使一致（home+gen产生＋ize→产生一致→使一致）
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    更新时间：2025/2/11 9:50:19