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单词 uniplicate
释义

uniplicateadj.

Brit. /ˈjuːnᵻplᵻkət/, /ˌjuːˈnɪplᵻkət/, U.S. /ˈjunəpləkət/, /ˌjuˈnɪpləkət/
Origin: Formed within English, by compounding. Etymons: uni- comb. form, plicate adj.
Etymology: < uni- comb. form + plicate adj., after multiplicate adj.
Chiefly Palaeontology.
Of (part of) the shell of a brachiopod or mollusc: that has a single fold. Of a brachiopod or mollusc: having such a shell.
ΚΠ
1802 A. Rees Cycl. (1819) I. at Aluco A species of Murex..the middle stria spinose, the columella uniplicate, and the tail ascending.
1867 Amer. Jrnl. Conchol. 3 186 This is a small, thick, very fusiform shell, with a fold situated more remote from the beak than in any other uniplicate genus.
1920 Proc. U.S. National Mus. 1919–20 56 391 As the uniplicate stage is common to all Platystrophias, it is evident that there was a uniplicate ancestor with three and four plications on the lateral slopes.
1963 D. V. Ager Princ. Paleoecol. vi. 101 (caption) Mutually exclusive distribution of sharply uniplicate rhynchonellids.
2011 Jrnl. Geol. (Chicago) 119 211/1 The anterior commissure is weakly uniplicate.
This entry has been updated (OED Third Edition, September 2015; most recently modified version published online March 2022).
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adj.1802
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