请输入您要查询的英文单词:

 

单词 octactinian
释义

octactiniann.adj.

Brit. /ɒktakˈtɪnɪən/, U.S. /ɑkˌtækˈtɪniən/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Octactiniae , -an suffix.
Etymology: < scientific Latin Octactiniae, former subclass name (C. G. Ehrenberg Die Corallenthiere des Rothen Meeres (1834) 53; < ancient Greek ὀκτα- octa- comb. form + ἄκτιν- , ἀκτίς ray (see actino- comb. form) + scientific Latin -iae , plural of -ia -ia suffix1) + -an suffix. Compare German Octactinien Octactinia (1834 in the source cited above). Compare slightly later octactinal adj.
Zoology. rare.
A. n.
An anthozoan coral of the subclass Octocoralliae (formerly called Octactinia) whose polyps bear eight pinnate tentacles. Cf. octocorallian n.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Anthozoa Actinozoa > member of Octocoralla
octactinian1888
octocorallan1890
octocoral1936
octocorallian1936
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 769 Jickeli suggests..that the Graptolites are possibly Octactinians.
1953 E. Palmer tr. S. Ekman Zoogeogr. of Sea v. 191 Several species among the octactinians seem to be endemic.
B. adj.
Of or relating to the subclass Octocorallia.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [adjective] > of or relating to the Anthozoa > belonging to subclass Octocoralla
octocoralline1890
octactinian1902
octocorallian1950
1902 in N.E.D. at Octactinal Octactinian.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
<
n.adj.1888
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/25 13:51:39