请输入您要查询的英文单词:

 

单词 epitheca
释义

epitheca


epitheca

(ˌɛpɪˈθiːkə) n, pl -cae (-siː) (Zoology) the outer and older layer of the cell wall of a diatom. Compare hypotheca[C19: from epi- + theca]

epitheca


epitheca

[¦ep·ə′thē·kə] (invertebrate zoology) An external, calcareous layer around the basal portion of the theca of many corals. A protective covering of the epicone. The outer portion of a diatom frustule.
随便看

 

英语词典包含2567994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:2024/12/22 18:53:09