英语词汇“tetractinellid”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

tetractinellid

释义

tetractinellid, a. and n. Zool.|tɪˌtræktɪˈnɛlɪd|
[ad. mod.L. Tetractinellidæ (f. Gr. τετρα- tetra- + ἀκτίς (ἀκτῑν-) ray + L. dim. -ella): see -id.]
a. adj. Belonging to the Tetractinellidæ (also called Tetractina), a sub-order of siliceous sponges with four-rayed spicules.
b. n. A sponge of this order. So tetractiˈnellidan a. and n., tetractiˈnelline a.
1891Cent. Dict., Tetractinellidan, Tetractinelline.1892Nat. Sc. Mar. 20 Tetractinellid spicules..occur..in the shallower regions.1892Athenæum 13 Feb. 218/2 The sponge remains..belong largely to the Monactinellidæ though tetractinellid, lithistid, and hexactinellid spicules are also present.

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