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单词 palaeomorphic
释义

palaeomorphicpaleomorphicadj.

Brit. /ˌpalɪə(ʊ)ˈmɔːfɪk/, /ˌpeɪlɪə(ʊ)ˈmɔːfɪk/, U.S. /ˈˌpeɪlioʊˈmɔrfɪk/
Forms: see palaeo- comb. form and -morphic comb. form.
Origin: Formed within English, by compounding. Etymons: palaeo- comb. form, -morphic comb. form.
Etymology: < palaeo- comb. form + -morphic comb. form.
Of, relating to, or representing an ancient form or type; (Biology) designating an anatomical structure or feature that is of ancient origin phylogenetically.
ΚΠ
1922 W. Garstang in Jrnl. Linn. Soc.: Zool. 35 99 I propose in future to use palæogenetic and neogenetic when referring to ontogenetic processes, and palæomorphic and neomorphic when contrasting primitive and modified types of structure.
1940 G. R. de Beer Embryos & Ancestors xiv. 89 A palaeomorphic character may of course..have made its first appearance in early stages of ontogeny. Conversely, characters of more recent origin, to which Garstang applies the term neomorphic, may have originated in terminal ontogenetic or adult stages.
1957 Evolution 11 471/2 According to..Dr. R. B. Gordon.., this ancestral type class of amorphic flowers could be called also ‘paleomorphic’.
1976 Trans. Inst. Brit. Geographers 1 212 With some future lowering of sea level, the Deben estuarine meanders, which would then become valley meanders, would betray their palaeomorphic estuarine nature by this steepness of their morphometric plots.
This is a new entry (OED Third Edition, March 2005; most recently modified version published online March 2022).
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adj.1922
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更新时间:2024/11/11 4:18:12