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单词 oxypentact
释义

> as lemmas

oxypentact
oxypentact n. and adj. [ < oxy- comb. form1 + penta- comb. form + ancient Greek ἀκτίς ray (see actine n.), with omission of the ending] Obsolete (a) n. a sponge spicule having five pointed rays radiating from a single point; (b) adj. (of a sponge spicule) having five pointed rays radiating from a single point.
ΘΚΠ
the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [adjective] > relating to a sponge > of parts of sponge > having five rays
oxypentact1886
1886 R. von Lendenfeld Proc. Zool. Soc. 562 Oxypentact. One ray rudimentary, representing the axes of a simple square pyramid.
1890 Cent. Dict. Oxypentact a. and n.
extracted from oxy-comb. form1
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as lemmas
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