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单词 triact
释义

> as lemmas

triact
triact adj.
Brit. /ˈtrʌɪakt/
,
U.S. /ˈtraɪˌækt/
Zoology having three rays: said of a sponge-spicule. [Shortened < scientific Latin Triactina, genus name (see triactine adj.).]
ΘΚΠ
the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [adjective] > relating to a sponge > of parts of sponge > having three rays
triact1886
triactine1887
triactinal1891
1886 R. von Lendenfeld in Proc. Zool. Soc. 560 The calcareous triaxon spicules have only three rays—triact.
extracted from tri-comb. form
<
as lemmas
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更新时间:2025/1/11 8:33:15