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乙炔

yǐquē
noun #40,834

Meanings

  1. 1 acetylene
  2. 2 ethyne (C₂H₂)

Examples

乙炔用于气焊和切割金属。
Yǐquē yòngyú qìhàn hé qiēgē jīnshǔ.
Acetylene is used for gas welding and metal cutting.
乙炔气瓶一定要直立存放。
Yǐquē qìpíng 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