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单词 polyspire
释义

> as lemmas

polyspire
polyspire n. Zoology Obsolete rare a helical sponge spicule having two or more spiral turns.
ΘΚΠ
the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > of two or more revolutions in growth
polyspire1887
1887 W. J. Sollas in Encycl. Brit. XXII. 417/2 [article Sponge] A continued spiral growth through several revolutions gives the polyspire.
extracted from poly-comb. form
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as lemmas
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