Origin

New Latin, from Greek anisos; see an-, iso-

aniso-

Word Origin

a combining form meaning “unequal,” “uneven,” used in the formation of compound words:

anisogamous.

Also, especially before a vowel, anis-.

Origin

< Greek, combining form of ánisos; see an-¹, iso-

Related Words

anis-
aniseikonia
anisocoria
anisodactylous
anisogamete
anisogamous

aniso-a word element meaning 'unlike' or 'unequal'.

[combining form representing Greek anisos unequal, from an- an-¹ + īsos equal]

aniso-
combining form
⇨ see anis-

aniso-also (before a vowel) anis-,combining form of Gr. ἄνισος unequal, a formative of technical terms, in many cases merely the negatives of corresponding terms in iso-. The chief are:— aniseikonia |æˌnaɪsaɪˈkəʊnɪə| Path. [Gr. εἰκον-, εἰκών image], a defect of vision marked by the presence of unequal images in each eye; so aniseikonic |-ˈkɒnɪk| a., characterized by aniseikonia; anisobryous |ˌænaɪˈsɒbrɪəs|, a. Bot. [Gr. βρύειν to swell] = anisodynamous below; anisocoria |-ˈkɒrɪə| Path. [Gr. κόρη pupil], inequality in the size of the pupils of the eye; anisocytosis |-saɪˈtəʊsɪs| Path. [Gr. κύτος receptacle], abnormal variation in the size of cells, esp. of the red blood corpuscles; anisodactylic |æˌnaɪsəʊdækˈtɪlɪk|, a. Zool. [Gr. δάκτυλ-ος finger, toe], unequal-toed (said of those insessorial birds called by Temminck Anisodactyles); anisodynamous |-ˈdɪnəməs|, a. Bot. [Gr. δύναµις strength], growing with greater strength on one side of the axis than the other; aniˈsogamete Biol. [cf. isogamete], either of two unequal uniting gametes; so aniˈsogamous a., characterized by aniˈsogamy, the union of two unequal gametes in reproduction; anisogynous |ˌænaɪˈsɒdʒɪnəs|, a. Bot. [Gr. γυν-ή female], having the carpels not equal in number to the sepals; anisomeric |æˌnaɪsəʊˈmɛrɪk|, a. Chem. [Gr. µέρ-ος part], not composed of the same proportions of the same elements; anisomerous |ˌænaɪˈsɒmərəs|, a. [see prec.], not having equal, or the same number of, parts, unsymmetrical; esp. in Bot. having unequal numbers of parts in different whorls; anisometric |æˌnaɪsəʊˈmɛtrɪk|, a. [Gr. µέτρ-ον measure], of unequal measurement, consisting of unequal or nonsymmetrical parts; anisometropia |-mɪˈtrəʊpɪə| Path. [Gr. µέτρ-ον measure + ὤψ, ὦπα, eye], inequality in the refractive power of the two eyes; anisometropic |-mɪˈtrɒpɪk|, a. Path. [see prec.], characterized by anisometropia, unequally refractive; anisopetalous |-ˈpɛtələs|, a. Bot. [Gr. πέταλον leaf], with unequal petals; anisophyllous |-ˈfɪləs|, a. Bot. [Gr. ϕύλλ-ον leaf], with unequal leaves; anisopterous |ˌænaɪˈsɒptərəs|, a. [Gr. πτερόν wing], having unequal wings; esp. in Bot. of fruit, flowers, etc.; anisostemonous |æˌnaɪsəʊˈstɛmənəs|, a. Bot. [Gr. στήµων, -ονα, thread, filament, stamen], having the stamens unequal in number to the petals or sepals; anisosthenic |-ˈsθɛnɪk|, a. [Gr. σθέν-ος strength], of unequal strength; anisostomous |ˌænaɪˈsɒstəməs|, a. Bot. [Gr. στόµα mouth], having unequal mouths, as in a calyx or corolla unequally divided; anisotropal, anisotropous |-ˈɒtrəpəl, -əs| a. = anisotropic; anisotropy |-ˈɒtrəpɪ|, n. [Gr. -τροπία turning], the quality of being anisotropic, æolotropy.1934Dartmouth Coll. Dept. Res. Physiol. Optics, (title) Iseikonic Lenses; lenses to correct *Aniseikonia.1935Amer. Jrnl. Ophthalmol. XVIII. 1014 (title) Aniseikonia—A Factor in the Functioning of Vision.1961Lancet 22 July 167/2 The patients are..examined on the space eikonometer..which is an ingenious instrument enabling one to test for aniseikonia.1935Amer. Jrnl. Ophthalmol. XVIII. 1018/2 *Aniseikonic patients who come to the clinic are being tested..after their aniseikonia has been measured and corrected on the ophthalmo-eikonometer.1944Electronic Engin. XVII. 189 The aniseikonic effect is introduced by using optical systems of different focal lengths.1847Craig, *Anisobryous.1902Lancet 12 July 69/2 The *anisocoria met with in some cases of thoracic aneurysm might be sufficiently explained by unilateral alterations in blood-pressure.1910Practitioner Apr. 420 Wall and Ainley Walker..have come to the conclusion that the most common cause of anisocoria is unequal blood pressure in the ophthalmic arteries.1904Stedman Dunglison's Dict. Med. Sci. (ed. 23) 64/1 *Anisocytosis, irregularity in size of associated cells, especially of red blood cells.1956Nature 17 Mar. 524/1 During the first two weeks of cortisone treatment, the degree of polychromasia and anisocytosis seen in the normal blood picture became increased.1834Mudie Brit. Birds (1841) I. 186 Feet..zygodactylic, or yoke-toed, and..*anisodactylic, or unequal-toed.1847Craig, *Anisodynamous.1891*anisogamous [see isogamy].1901G. N. Calkins Protozoa 221 No sharp line, however, can be drawn between conjugation in isogamous and anisogamous forms.1891Hartog in Nature 17 Sept. 484/1 *Anisogamy: the union of two gametes differing chiefly in size.1880Syd. Soc. Lex., *Anisogynous.1864Webster, *Anisomeric.1866Treas. Bot., *Anisomerous.1870Bentley Bot. 348 When the number is unequal, the flower is anisomerous.1868Dana Min. 362 Guarinite Group: Tetragonal. Titanite Group: *Anisometric.1880Syd. Soc. Lex., *Anisometropia, *Anisometropic.1880Gray Bot. Text-bk. 396 *Anisopetalous.Ibid., *Anisophyllous, Unequal-leaved; i.e. the two leaves of a pair unequal.1880Syd. Soc. Lex., *Anisopterous.1857Henfrey Elem. Bot. §209 When the number [of stamens] is different [from the number of petals] the flower is *anisostemonous.1880Syd. Soc. Lex., *Anisosthenic, *Anisostomous, *Anisotropal, *Anisotropous, *Anisotropy.

aniso- /ˈanʌɪsəʊ/ combining form of Greek anisos unequal, forming esp. negatives (see an-⁵) of corresp. terms in iso-.

DERIVATIVE anisoˈcoria noun (Medicine) inequality in the sizes of the pupils of the eyes E20.
anisocyˈtosis noun (Medicine) abnormal variation in the size of red blood cells E20.
anisoˈgamete noun (Biology) either of two unequal gametes L19.
aniˈsogamous adjective (Biology) characterized by anisogamy L19.
aniˈsogamy noun (Biology) union of unequal gametes L19.
anisomeˈtropia noun inequality of refractive power of the eyes L19.
anisometropic /-ˈtrəʊpɪk, -ˈtrɒpɪk/ adjective characterized by anisometropia L19.

aniso-

combining form

unequal: Anisopterous = having unequal wings.

unlike: Anisodactylous = having the toes unlike.

Also, anis- before vowels.

[< Greek ánisos < an- not + ísos like, equal]

aniso-
— see anis-

aniso-

IPA: /əˌnaɪsə(ʊ)/

Prefix

Forming compounds words having the sense ‘unequal’ (often formed to contrast with similar words in iso-).

Etymology

Representing a combining form of Ancient Greek ἄνισος (ánisos, “unequal”).

Derived terms

English words prefixed with aniso-

词汇	aniso-
词根词缀	AHD Collins Dictionary.com Macquarie MWCD OED SOED WBD Webster Wiktionary aniso- 或 anis- pref.（前缀） Unequal; dissimilar: 不平等；不相似： anisogamy. 异性配子结合语源 From Greek anisos 源自希腊语 anisos an- [without] * see a- ¹ an- [无，没有] 参见 a-¹ isos* [equal] isos [平等的] aniso- or (before a vowel) anis- combining form not equal ⇒ anisogamy Origin New Latin, from Greek anisos; see an-, iso- aniso- Word Origin 1 a combining form meaning “unequal,” “uneven,” used in the formation of compound words: anisogamous. Also, especially before a vowel, anis-. Origin < Greek, combining form of ánisos; see an-¹, iso- Related Words anis- aniseikonia anisocoria anisodactylous anisogamete anisogamous aniso-a word element meaning 'unlike' or 'unequal'. [combining form representing Greek anisos unequal, from an- an-¹ + īsos equal] aniso- combining form ⇨ see anis- aniso-also (before a vowel) anis-,combining form of Gr. ἄνισος unequal, a formative of technical terms, in many cases merely the negatives of corresponding terms in iso-. The chief are:— aniseikonia \|æˌnaɪsaɪˈkəʊnɪə\| Path. [Gr. εἰκον-, εἰκών image], a defect of vision marked by the presence of unequal images in each eye; so aniseikonic \|-ˈkɒnɪk\| a., characterized by aniseikonia; anisobryous \|ˌænaɪˈsɒbrɪəs\|, a. Bot. [Gr. βρύειν to swell] = anisodynamous below; anisocoria \|-ˈkɒrɪə\| Path. [Gr. κόρη pupil], inequality in the size of the pupils of the eye; anisocytosis \|-saɪˈtəʊsɪs\| Path. [Gr. κύτος receptacle], abnormal variation in the size of cells, esp. of the red blood corpuscles; anisodactylic \|æˌnaɪsəʊdækˈtɪlɪk\|, a. Zool. [Gr. δάκτυλ-ος finger, toe], unequal-toed (said of those insessorial birds called by Temminck Anisodactyles); anisodynamous \|-ˈdɪnəməs\|, a. Bot. [Gr. δύναµις strength], growing with greater strength on one side of the axis than the other; aniˈsogamete Biol. [cf. isogamete], either of two unequal uniting gametes; so aniˈsogamous a., characterized by aniˈsogamy, the union of two unequal gametes in reproduction; anisogynous \|ˌænaɪˈsɒdʒɪnəs\|, a. Bot. [Gr. γυν-ή female], having the carpels not equal in number to the sepals; anisomeric \|æˌnaɪsəʊˈmɛrɪk\|, a. Chem. [Gr. µέρ-ος part], not composed of the same proportions of the same elements; anisomerous \|ˌænaɪˈsɒmərəs\|, a. [see prec.], not having equal, or the same number of, parts, unsymmetrical; esp. in Bot. having unequal numbers of parts in different whorls; anisometric \|æˌnaɪsəʊˈmɛtrɪk\|, a. [Gr. µέτρ-ον measure], of unequal measurement, consisting of unequal or nonsymmetrical parts; anisometropia \|-mɪˈtrəʊpɪə\| Path. [Gr. µέτρ-ον measure + ὤψ, ὦπα, eye], inequality in the refractive power of the two eyes; anisometropic \|-mɪˈtrɒpɪk\|, a. Path. [see prec.], characterized by anisometropia, unequally refractive; anisopetalous \|-ˈpɛtələs\|, a. Bot. [Gr. πέταλον leaf], with unequal petals; anisophyllous \|-ˈfɪləs\|, a. Bot. [Gr. ϕύλλ-ον leaf], with unequal leaves; anisopterous \|ˌænaɪˈsɒptərəs\|, a. [Gr. πτερόν wing], having unequal wings; esp. in Bot. of fruit, flowers, etc.; anisostemonous \|æˌnaɪsəʊˈstɛmənəs\|, a. Bot. [Gr. στήµων, -ονα, thread, filament, stamen], having the stamens unequal in number to the petals or sepals; anisosthenic \|-ˈsθɛnɪk\|, a. [Gr. σθέν-ος strength], of unequal strength; anisostomous \|ˌænaɪˈsɒstəməs\|, a. Bot. [Gr. στόµα mouth], having unequal mouths, as in a calyx or corolla unequally divided; anisotropal, anisotropous \|-ˈɒtrəpəl, -əs\| a. = anisotropic; anisotropy \|-ˈɒtrəpɪ\|, n. [Gr. -τροπία turning], the quality of being anisotropic, æolotropy.1934Dartmouth Coll. Dept. Res. Physiol. Optics, (title) Iseikonic Lenses; lenses to correct Aniseikonia.1935Amer. Jrnl. Ophthalmol. XVIII. 1014 (title) Aniseikonia—A Factor in the Functioning of Vision.1961Lancet 22 July 167/2 The patients are..examined on the space eikonometer..which is an ingenious instrument enabling one to test for aniseikonia.1935Amer. Jrnl. Ophthalmol. XVIII. 1018/2 Aniseikonic patients who come to the clinic are being tested..after their aniseikonia has been measured and corrected on the ophthalmo-eikonometer.1944Electronic Engin. XVII. 189 The aniseikonic effect is introduced by using optical systems of different focal lengths.1847Craig, Anisobryous.1902Lancet 12 July 69/2 The anisocoria met with in some cases of thoracic aneurysm might be sufficiently explained by unilateral alterations in blood-pressure.1910Practitioner Apr. 420 Wall and Ainley Walker..have come to the conclusion that the most common cause of anisocoria is unequal blood pressure in the ophthalmic arteries.1904Stedman Dunglison's Dict. Med. Sci. (ed. 23) 64/1 Anisocytosis, irregularity in size of associated cells, especially of red blood cells.1956Nature 17 Mar. 524/1 During the first two weeks of cortisone treatment, the degree of polychromasia and anisocytosis seen in the normal blood picture became increased.1834Mudie Brit. Birds* (1841) I. 186 Feet..zygodactylic, or yoke-toed, and..anisodactylic, or unequal-toed.1847Craig, Anisodynamous.1891anisogamous [see isogamy].1901G. N. Calkins Protozoa* 221 No sharp line, however, can be drawn between conjugation in isogamous and anisogamous forms.1891Hartog in Nature 17 Sept. 484/1 Anisogamy: the union of two gametes differing chiefly in size.1880Syd. Soc. Lex., Anisogynous.1864Webster, Anisomeric.1866Treas. Bot., Anisomerous.1870Bentley Bot. 348 When the number is unequal, the flower is anisomerous.1868Dana Min. 362 Guarinite Group: Tetragonal. Titanite Group: Anisometric.1880Syd. Soc. Lex., Anisometropia, Anisometropic.1880Gray Bot. Text-bk.* 396 Anisopetalous.Ibid., Anisophyllous, Unequal-leaved; i.e. the two leaves of a pair unequal.1880Syd. Soc. Lex., Anisopterous.1857Henfrey Elem. Bot.* §209 When the number [of stamens] is different [from the number of petals] the flower is anisostemonous.1880Syd. Soc. Lex., Anisosthenic, Anisostomous, Anisotropal, Anisotropous, Anisotropy. aniso- /ˈanʌɪsəʊ/ combining form of Greek anisos unequal, forming esp. negatives (see an-⁵) of corresp. terms in iso-. DERIVATIVE anisoˈcoria noun (Medicine) inequality in the sizes of the pupils of the eyes E20. anisocyˈtosis noun (Medicine) abnormal variation in the size of red blood cells E20. anisoˈgamete noun (Biology) either of two unequal gametes L19. aniˈsogamous adjective (Biology) characterized by anisogamy L19. aniˈsogamy noun (Biology) union of unequal gametes L19. anisomeˈtropia noun inequality of refractive power of the eyes L19. anisometropic /-ˈtrəʊpɪk, -ˈtrɒpɪk/ adjective characterized by anisometropia L19. aniso- combining form unequal: Anisopterous = having unequal wings. unlike: Anisodactylous = having the toes unlike. Also, anis- before vowels. [< Greek ánisos < an- not + ísos like, equal] aniso- — see anis- aniso- IPA: /əˌnaɪsə(ʊ)/ Prefix Forming compounds words having the sense ‘unequal’ (often formed to contrast with similar words in iso-). Etymology Representing a combining form of Ancient Greek ἄνισος (ánisos, “unequal”). Derived terms ► English words prefixed with aniso-
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