沼気

See also: 沼氣

Japanese

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

Alternative spelling
沼氣 (kyūjitai)

Etymology

/seuki/ → /ɕeuki/ → /ɕʲoːki/

From Middle Chinese compound 沼氣／沼气 (tsyew^X khjɨj^H, literally “pool, pond, swamp + vapors, gas”). Compare modern Cantonese reading ziu² hei³.

Pronunciation

• (Tokyo) しょ​ーき [shóꜜòkì] (Atamadaka – [1])
• IPA^(key): [ɕo̞ːkʲi]

Noun

沼(しょう)気(き) • (shōki) ^{←せうき (seuki)?}

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.

Related terms

• (methane in general): メタン (metan)
• (natural gas): 天然(てんねん)ガス (tennen gasu)