How to say "gas" in Japanese

• ガスJLPT N4approx.Common
  nounThe katakana word for gas as a fuel — the substance supplied to homes and burned for cooking or heating. Think of turning the gas on or off, or of a gas leak.
  もうガスは消けした？↗

  Have you turned off the gas yet?
• 気体きたいJLPT N2approx.Common
  nounGas as a state of matter: a substance that is neither solid nor liquid, and also vapour. This is the word of science and technical description, not the fuel in a kitchen stove.
  その気体きたいは悪臭あくしゅうを放はなつ。↗

  This gas gives off a bad smell.
• おならCommon
  nounGas in the bodily sense only: wind passed from the body, a fart. For that meaning this is the word you want, but it never refers to fuel or to gases as substances.

Use 「ガス」 for gas as a fuel, such as that burned for cooking or heating; 気体 for gas as a physical state of matter; and 「おなら」 for gas passed from the body.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• ガスgas (as a fuel)
• 気体きたいgas
• おならwind
• 屁へfart
• 噴気ふんきgas (fumes)
• ガス体ガスたいgas
• 性別適合手術せいべつてきごうしゅじゅつsex reassignment surgery