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.
換気口を塞がないでください。
Please do not block the ventilation opening.
台所の換気口が汚れているので、掃除しよう。
The kitchen vent is dirty, so let's clean it.
地下室には換気口が設けられており、新鮮な空気が入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 (ventilation; air exchange) + 口 (opening; hole). Note that 口 here is read こう (the on'yomi reading), unlike 乗車口 where it is read ぐち.
THE ~口 PATTERN (on'yomi compounds):
- 排気口: exhaust vent
- 吸気口: air intake
- 通気口: air vent; ventilation hole
- 排水口: drain outlet
COMMON COLLOCATIONS:
- 換気口を設ける: to install a vent
- 換気口を掃除する: to clean a vent
- 換気口を塞ぐ: to block a vent
- 換気口のフィルター: vent filter
SIMILAR WORDS:
- 通気口: ventilation hole — similar meaning, slightly more emphasis on allowing air to pass through
- 換気扇: ventilation fan — an active fan for ventilation, not just a passive opening