acetylene
FREQ #48714
n. 乙炔, 电石气 [化] 乙炔; 双亚乙基
发音
US
/əˈsɛtəlˌin/
词形变化
acetylenes
复数
acetylenes
释义与例句
n.
-
1.
Any organic compound having one or more carbon–carbon triple bonds; an alkyne.
乙炔
可数 化学 不可数 -
2.
Ethyne; the simplest alkyne, a hydrocarbon of formula HC≡CH. It is a colourless, odourless, extremely flammable, explosive gas, formerly used as an illuminating gas, but now used in welding and metallurgy.
不可数 化学 可数 -
3.
A lamp powered by acetylene, particularly a motor vehicle headlight.
可数 不可数
词汇关系
相关短语
词源
Etymology tree French acétylènebor. English acetylene Borrowed from French acétylène, coined by French chemist Marcellin Berthelot, from acetyl + -ene.
来源:wiktionary