请输入您要查询的英文单词:

 

单词 echiurian
释义

echiuriann.adj.

Brit. /ɛkᵻˈ(j)ʊərɪən/, U.S. /ˌɛkəˈ(j)ʊriən/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Echiurus , -ian suffix.
Etymology: < scientific Latin Echiurus (see Echiura n.) + -ian suffix. Compare echiuroid n.
Zoology. rare.
A. n.
= echiuran n.
ΚΠ
1886 Jrnl. Royal Microsc. Soc. 6 985 The nerve-trunk has in adult Echiurians lost all trace of segmentation.
1983 Developmental Biol. 99 499/2 Stimulation by hormones in starfishes..and in amphibians.., by fertilization in echiurians.., [and] by proteases..in annelids.
2005 Marine Pollution Bull. 50 771/2 Specimens of poripherans [sic], cnidarians, nemertines, sipunculids, echiurians..and chordates were found.
B. adj.
= echiuran adj.
ΚΠ
1938 Jrnl. Entomol. & Zool. 20 2 They [sc. the Dicyemids] are probably derived from an Echiurian ancestor similar to Bonnelia.
1991 Palaios 6 307/2 In the deep sea, echiurian worms are the most probable trace makers.
2004 Marine Geol. 212 99/1 A non-diffusive particle mixing event..was attributed to echiurian or sipunculid worms retrieved from these sediments.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022).
<
n.adj.1886
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:2025/1/11 15:23:34