首页
汉语词典
英英词典
请输入您要查询的英文单词:
单词
protoderm
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pro•to•derm
(prō
′
tə dûrm′),
USA pronunciation
n.
[
Bot.
]
Plant Biology
a thin outer layer of the meristem in embryos and growing points of roots and stems, which gives rise to the epidermis. Also called
dermatogen.
proto
- + -
derm
1930–35
随便看
close-by
close call
close communion
close communionist
close company
close corporation
close-cropped
closed
closed-angle glaucoma
closed book
closed-captioned
closed chain
closed circuit
closed-circuit
closed-circuit television
closed cornice
closed corporation
closed couplet
closed-door
closed ecosystem
closed-end
closed-end investment company
closed fracture
closed gentian
closed loop
英语词典包含188688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 mdict.net All Rights Reserved
更新时间:2026/9/30 4:27:38