← Back to ventilation
Full Level C1 →
ventilation Etymology Atlas
The process of letting fresh air into a room or building and removing stale air., A system in a building that supplies and circulates fresh air. Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
ventilation is a Level C1 word — Pro only
Pro unlocks the Etymology Atlas for levels A2–C2 — plus FSRS-5 spaced repetition, mastery tracking, and the activity dashboard.