Word · Frequency #40535
acetylene
乙炔
Ethyne (HC≡CH); a colorless, extremely flammable gas used especially in welding and in organic synthesis.
- 1.
Any organic compound having one or more carbon–carbon triple bonds; an alkyne.
- 2.
a colorless flammable gas used chiefly in welding and in organic synthesis
一种无色易燃气体,主要用于焊接和有机合成
- 3.
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.
乙炔;最简单的炔烃,化学式HC≡CH的碳氢化合物。无色无味、极易燃易爆的气体,旧时用作照明气,现用于焊接和冶金。
- 4.
A lamp powered by acetylene, particularly a motor vehicle headlight.
以乙炔为燃料的灯,尤指机动车前灯。
炔烃;乙炔灯;一种无色易燃气体,主要用于焊接和有机合成;乙炔;最简单的炔烃,化学式HC≡CH的碳氢化合物。无色无味、极易燃易爆的气体,旧时用作照明气,现用于焊接和冶金。;以乙炔为燃料的灯,尤指机动车前灯。
In use
Acetylene is commonly used in welding torches because it burns at a very high temperature.
The lab stored acetylene in a special cylinder to prevent any accidental explosion.
When acetylene combines with oxygen, the flame can cut through thick metal plates.
acetylene [noun]
乙炔常作为名词修饰语,构成复合名词,表示与乙炔相关的物品或设备。
acetylene torch
乙炔焊枪
[verb] acetylene
乙炔常作为及物动词的宾语,与use, produce, store等动词搭配。
Welders use acetylene.
焊工使用乙炔。
acetylene is [adjective]
Connections
Synonyms
- ethyne
- 乙炔(IUPAC命名) · 化学名称,与acetylene完全同义,但多用于专业文献。
- carbide gas
- 电石气 · 俗称,指由电石与水反应生成的乙炔,口语中常用。
Confusing words
- ethylene
- 乙烯 · 二者均为气态烃,但乙炔含三键用于焊接,乙烯含双键用于催熟水果。
Word family
- acetyl
- 乙酰基 · noun
- acetylenic
- 乙炔的 · adjective
- acetylide
- 乙炔化物 · noun
Learner notes
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.