† pinnulusn.

Origin: Apparently a variant or alteration of another lexical item. Etymon: pinnule n.

Etymology: Apparently an alteration of pinnule n., after -ulus suffix.

Zoology. Obsolete. rare.

A type of sponge spicule in which one ray has a series of short spines along its length, arranged pinnately.

ΚΠ

1887 W. J. Sollas in Encycl. Brit. XXII. 417/1 The suppression of the proximal ray and the development of spines projecting forwards on the distal ray produce the pinnulus.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2020).

单词	pinnulus
释义	† pinnulusn. Origin: Apparently a variant or alteration of another lexical item. Etymon: pinnule n. Etymology: Apparently an alteration of pinnule n., after -ulus suffix. Zoology. Obsolete. rare. A type of sponge spicule in which one ray has a series of short spines along its length, arranged pinnately. ΚΠ 1887 W. J. Sollas in Encycl. Brit. XXII. 417/1 The suppression of the proximal ray and the development of spines projecting forwards on the distal ray produce the pinnulus. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2020). < n.1887
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