換気口(かんきこう)

かんきこう
noun
ventilation opening; vent; air vent
building
1. ventilation opening; air vent; vent hole
An opening in a wall, ceiling, or floor designed to allow air to circulate for ventilation. Found in buildings, vehicles, and underground spaces.
換気口(かんきこう)を塞(ふさ)がないでください。
Please do not block the ventilation opening.
台所(だいどころ)の換気口(かんきこう)が汚(よご)れているので、掃除(そうじ)しよう。
The kitchen vent is dirty, so let's clean it.
地下室(ちかしつ)には換気口(かんきこう)が設(もう)けられており、新鮮(しんせん)な空気(くうき)が入(はい)るようになっている。
The basement is equipped with ventilation openings so that fresh air can enter.

Compound of 換気(かんき) (ventilation; air exchange) + 口(こう) (opening; hole). Note that 口(こう) here is read こう (the on'yomi reading), unlike 乗車口(じょうしゃぐち) where it is read ぐち.

THE ～口(こう) PATTERN (on'yomi compounds):

  • 排気口(はいきこう): exhaust vent
  • 吸気口(きゅうきこう): air intake
  • 通気口(つうきこう): air vent; ventilation hole
  • 排水口(はいすいこう): drain outlet

Common collocations

Similar words

  • 通気口(つうきこう): ventilation hole — similar meaning, slightly more emphasis on allowing air to pass through
  • 換気扇(かんきせん): ventilation fan — an active fan for ventilation, not just a passive opening

Related Words

Compare: 換気扇(かんきせん) (ventilation fan)
general
Added 2026.5.8 21:14 · Revised 2026.9.4 21:31
27000/27276_kankikou