Translation guide
An opening that allows air to pass through, often for ventilation. In Japanese, the most common word is 換気口 (kanki-kou), but other terms exist depending on context.
A built-in opening for air circulation, often with a cover or grille.
General term for an air vent used for ventilation in buildings, rooms, or appliances.
換気口のフィルターを掃除してください。
Please clean the air vent filter.
Similar to 換気口, but emphasizes the passage of air rather than the exchange of air. Often used in technical contexts.
この部屋には通気口が二つあります。
This room has two air vents.
Refers specifically to a louvered vent or grille, often seen on doors or walls. More about the slatted design.
ドアの下にガラリが付いています。
There is a louvered vent at the bottom of the door.
The adjustable air outlet on a dashboard for heating or air conditioning.
Literally 'air conditioner outlet'. The most natural way to refer to the vents in a car dashboard.
エアコンの吹き出し口を自分に向けてください。
Please point the air vent toward yourself.
More formal or technical term for air conditioning vent, used in manuals or specifications.
空調吹き出し口の位置を確認してください。
Check the position of the air conditioning vents.
A tiny hole that allows air to escape or enter, e.g., in food packaging or a thermos.
Literally 'air hole'. Used for small holes that let air pass, like in a lid or packaging.
この容器には空気穴が開いています。
This container has an air vent.
More technical term for a ventilation hole, often used in engineering or product design.
通気孔をふさがないでください。
Do not block the air vent.
換気口 is the most common for room ventilation. 通気口 is slightly more technical and emphasizes airflow. 空気穴 is for small, simple holes, not usually for built-in vents with covers.