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词汇 trito-
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trito-
/ˈtraɪtəʊ/  
combining form
third
表示“第三”：

tritocerebrum.

词源
from Greek tritos 'third'.
trito-|trɪtəʊ, traɪtəʊ|before a vowel trit-, combining form repr. Gr. τρίτος third, occurring in several technical, mostly scientific, terms (usually corresponding to terms in proto-, and deutero- or deuto-).1. Generally.tritaˈnomaly Ophthalm. [anomaly], a rare form of anomalous trichromatism marked by a reduced sensitivity to blue; hence tritaˈnomalous a., having tritanomaly. ‖ tritencephalon |-ɛnˈsɛfəlɒn| [mod.L., f. Gr. ἐγκέϕαλος brain], the third of the three primary cerebral vesicles of the embryo; also, the hindmost segment of the brain of an insect. ˈtritocere |-sɪə(r)| [Gr. κέρας horn], that tine of a deer's antler which is third in order of development (Cent. Dict. 1891). ‖ tritocerebrum |-ˈsɛrɪbrəm|, erron. -on [mod.L., f. L. cerebrum brain], = tritencephalon; hence tritoˈcerebral a., pertaining to or constituting a tritocerebrum. ˈtritocone, the posterior external cusp of a premolar tooth. ˈtrito-Iˈsaiah [after deutero-Isaiah], a later author to whom a third section of the book of Isaiah is attributed by some critics. tritoˈmesal a. [Gr. µέσος middle], applied to a series of cells in the wings of hymenopterous insects, now usually called the submedian second discoidal and first apical cells. tritoˈtoxin: see quot. 1904 s.v. prototoxin proto- 2 b). tritoˈvertebra, in Carus's nomenclature (1828), applied to the bones of the limbs reckoned as the third set of vertebræ; hence tritoˈvertebral a., pertaining to or of the nature of a tritovertebra. triˈtovum, a third stage of an ovum, succeeding the deutovum. tritozooid |-ˈzəʊɔɪd|, a tertiary zooid, produced from a deuterozooid.1943Jrnl. Optical Soc. Amer. XXXIII. 572/1 These [subjects] are diagnosed by most other tests as *tritanomalous or blue-yellow blind.Ibid. 574/2 These plates are invalid for the detection of tritanomaly.1946W. D. Wright Res. on Normal & Defective Colour Vision xxiv. 297 The tritanomalous observer has poor hue discrimination in the blue-green wavelengths.1956Jrnl. Optical Soc. Amer. XLVI. 1075/1 *Tritanomaly, discovered by Engelking, seems to be very rare.1965Tritanomaly [see tritanopia].1910Encycl. Brit. XIII. 425/2 This anterior or ‘brain’ mass consists of three lobes (the prot-, deut-, and *tritencephalon of Viallanes).Ibid. 418/2 An ‘intercalary’ or *tritocerebral segment has been demonstrated..in various insect embryos.1898Packard Text-bk. Entom. 231 Viallanes first..divided the brain of adult insects into three regions or segments; i.e. the ‘protocerebron’, ‘deutocerebron’, and ‘*tritocerebron’.Ibid. 237 The œsophageal lobes (Tritocerebrum).1896Proc. Zool. Soc. 5 May 563 (Premolars) The antero-external cusp (protocone of Scott)..develops first, the antero-internal or deuterocone second, and the tetartocone third, the *tritocone being wanting.1908Athenæum 7 Nov. 565/2 A *Trito-Isaiah besides a Deutero-Isaiah.1826Kirby & Sp. Entomol. III. xxxv. 632 The medial areolets..form three distinct series; these may be called the protomesal, deuteromesal, and *tritomesal.c1860S. Kneeland, Jr. in Amer. Cycl. XIII. 424 (Cent. Dict.) [Carus] makes what he calls proto-, deuto-, and *trito-vertebræ.1902Cassell's Encycl. Dict., Supp., *Tritovertebral.1877Huxley Anat. Inv. Anim. vii. 385 In the Acarus of the Mouse, Claparède observed that the deutovum stage is followed by a *tritovum.1861J. R. Greene Man. Anim. Kingd., Cœlent. 74 The medusoids budded by Sarsia are, probably, *tritozoöids.†2. In Chemistry, formerly used, after T. Thomson (Syst. Chem. (1804) I. 103), in naming the third oxide, sulphuret, iodide, etc. in a series in ascending order (cf. proto- 3 a, deuto- 1). Obs.1806–1850 [see tritoxide].1825T. Thomson First Princ. Chem. II. 481 Tritosulphuret of potassium.
trito- /ˈtrɪtəʊ, ˈtrʌɪtəʊ/ combining form. Before a vowel also trit-.
ORIGIN: Greek, from tritos third: see -o-.
Forming words with the sense ‘third, tertiary’. Cf. deutero-.
 DERIVATIVE tritaˈnomalous adjective pertaining to or exhibiting tritanomaly M20.
tritaˈnomaly noun (Ophthalmology) a rare form of anomalous trichromatism marked by a reduced sensitivity to blue M20.
tritoˈcerebral adjective (Zoology) of or pertaining to the tritocerebrum E20.
tritoˈcerebrum noun (Zoology) the third and hindmost segment of an insect's brain L19.
Trito-Iˈsaiah noun the supposed later author of Isaiah 56–66 E20.
trito-
— see trit-

trito-
  • trit-

    • Prefix

    1. third

    Etymology

    From Ancient Greek τρίτος (trítos, “third (of three or more)”).

    Derived terms

    English words prefixed with trito-


    Coordinate terms

  • proto-, prot-
  • deutero-, deuter-
    		•
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    更新时间：2025/11/1 1:19:39