请输入您要查询的英文单词:

 

单词 pseudocotyledon
释义

> as lemmas

pseudocotyledon
pseudocotyledon n. Botany Obsolete rare (a) a bryophyte or pteridophyte; (b) the protonema of a bryophyte or the prothallus of a pteridophyte (formerly considered analogous to the cotyledons of spermatophytes).
ΚΠ
1846 J. Lindley Veg. Kingdom p. xxxvi Agardh's primary divisions are nine; namely, 1. Acotyledons. 2. Pseudocotyledons. [etc.].
1890 Cent. Dict. Pseudocotyledon, one of the germinating threads of the spores of cryptogams.
extracted from pseudo-comb. form
<
as lemmas
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:2024/12/24 6:57:34