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单词 -gnath
释义

-gnathcomb. form

Primary stress is generally retained by the usual stressed syllable of the preceding element and vowels may be reduced accordingly.
Origin: A borrowing from Greek. Etymons: Greek -γναθος, γνάθος.
Etymology: Ultimately < ancient Greek -γναθος, combining form (in e.g. ἑτερόγναθος (of a horse) with one side of the mouth harder than the other) of γνάθος jaw ( < the same Indo-European base as chin n.1), frequently after formations in scientific Latin -gnathi , -gnatha (formations in which are found from the first half of the 19th cent.), or French -gnathe . Compare gnatho- comb. form, -gnathic comb. form, -gnathous comb. form.Earliest in the 17th cent. in the isolated early borrowing tetragnath adj. and n. at tetra- comb. form 1. Subsequently from the mid 19th cent., chiefly in borrowings and adaptations of Latin and French words, as plectognath n., pharyngognath n. and adj. at pharyngo- comb. form , chaetognath n.
Chiefly Zoology.
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1. Forming nouns denoting animals having jaws or mouthparts of the type specified by the first element, and adjectives designating such animals, typically after scientific Latin taxon names in -gnatha or -gnathi.
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2. Forming nouns denoting structures forming part of or associated with the mouthparts of invertebrates, as endognath n. at endo- prefix and comb. form , paragnath n., etc.
This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2018).
<
comb. form
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更新时间:2024/12/22 18:35:09