请输入您要查询的英文单词:

 

单词 paraquat
释义

WordReference Random House Unabridged Dictionary of American English © 2024
par•a•quat  (parə kwät′),USA pronunciation n. [Chem.]
  1. Agriculture, Chemistry, Pest Controla toxic herbicide, C12H14N2·2CH3SO4, applied to food and flower crops and to highway borders as a defoliant and weed-killer.
  • para-1 + quat(ernary), in reference to the bond between the two pyridyl groups, which is in the para position with respect to their quaternary nitrogen atoms 1960–65

Collins Concise English Dictionary © HarperCollins Publishers::
Paraquat /ˈpærəˌkwɒt/ n
  1. trademark a yellow extremely poisonous soluble solid used in solution as a weedkiller
随便看

 

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 Newdu.com All Rights Reserved
更新时间:2024/9/20 19:47:43