请输入您要查询的英文单词:
单词
pyrazolone
释义
WordReference Random House Unabridged Dictionary of American English © 2024
py•raz•o•lone
(pi raz
′
ə lōn′, pī-),
USA pronunciation
n.
[
Chem.
]
Chemistry
any of the group of heterocyclic compounds containing the pyrazoline ring in which one carbon atom is doubly linked to an oxygen atom not in the ring.
Chemistry
the parent compound, C
3
H
4
N
2
O.
pyrazole
+ -
one
1885–90
随便看
fluorapatite
fluorene
fluoresce
fluorescein
fluorescence
fluorescence-activated cell sorter
fluorescent
fluorescent lamp
fluorescer
fluoric
fluoridate
fluoridation
fluoride
fluoridise
fluoridization
fluoridize
fluorimeter
fluorinate
fluorination
fluorine
fluorine dating
fluorite
fluoro-
fluorocarbon
fluorochrome
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:2025/12/24 12:03:53