沼気

See also: 沼氣

Japanese
Kanji in this term
沼 気
しょう
Grade: S		 き
Grade: 1
on’yomi

Etymology

/seuki/ → /ɕeuki/ → /ɕʲoːki/

From Middle Chinese compound 沼氣 (tsyewX khjɨjH, literally “pool, pond, swamp + vapors, gas”). Compare modern Cantonese reading ziu2 hei3.

Pronunciation

Noun

沼気 (hiragana しょうき, rōmaji shōki, historical hiragana せうき)

  1. marsh gas, swamp gas, methane (naturally occurring)

Usage notes

Although one translation of this term is methane, this refers more specifically to the methane produced from organic matter rotting in a body of water. One would not generally use this term to refer to methane or natural gas as used for cooking or heating.

References
  1. 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN
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