乙炔

yǐquē

noun #40,834

Meanings

1 acetylene
2 ethyne (C₂H₂)

Characters

second / C2 (chem)

alkyne (triple bond)

Examples

乙炔用于气焊和切割金属。

Yǐquē yòngyú qì hàn hé qiēgē jīnshǔ.

Acetylene is used for gas welding and metal cutting.

乙炔气瓶一定要直立存放。

Yǐquē qì píng yídìng yào zhílì cúnfàng.

Acetylene cylinders must be stored upright.

Tips

usage

乙 ('second heavenly stem') is the chemistry prefix for C₂ compounds — 乙烷 ethane, 乙烯 ethylene, 乙炔 acetylene. The full series is 甲/乙/丙/丁 = C₁/C₂/C₃/C₄. 炔 specifically marks a triple bond (alkyne).

Stroke Order

乙 yǐ

炔 quē