noun, noun or participle which takes 'suru', intransitive verb, noun which may take the genitive case particle 'no'
ventilation; draft; airing
Refers to the movement of air through a space, either intentional ventilation or an unwanted draft. Can be used as a noun, with する to mean 'to ventilate' or 'to air out', or as a no-adjective.
この部屋は通風が悪い。
This room has poor ventilation.
窓を開けて部屋
Open the windows to air out the room.