外気 (がいき, gaiki) Japanese meaning: open air | KotomoraLet's open the window and let in some fresh air.
The outside temperature is low, so I turned on the heater.
Usage patterns
外気に触れるto be exposed to / come into contact with outside air
If you don't get some outside air for a while, you start to feel unwell.
外気を取り入れるto let in outside air (for ventilation)
外気にさらすto expose something to the outside air
These machine parts rust easily when exposed to outside air.
The air conditioner draws in outside air to refresh the air in the room.
