请输入您要查询的英文单词:

 

单词 Acrita
释义

Acrita

/ˈakrɪtə/
Zoology. Now historical
noun
Treated as plural. A former major grouping of the animal kingdom including invertebrates with no distinct nervous system.
  • In the terminology of W. W. Macleay, Acrita was established as a fifth subkingdom alongside the four of Cuvier. In the terminology of R. Owen, Acrita was conceived as a loose group or series of the Radiata and later considered equivalent to the Protozoa..

Origin

Early 19th century; earliest use found in Annals of Philosophy. From scientific Latin Acrita from ancient Greek ἄκριτος undistinguishable, undecided, doubtful, not giving judgement + scientific Latin -a.

随便看

 

英语词典包含243303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:2024/9/22 1:07:07