11 letters · 14 points in Scrabble
noun the act of supplying fresh air and getting rid of foul air
noun a mechanical system in a building that provides fresh air
noun free and open discussion of (or debate on) some question of public interest
originBorrowed from Middle French ventilation, from Old French ventilacion, from Late Latin ventilatio, from Latin ventilo. Morphologically ventilate + -ion.
Etymology from Wiktionary, CC BY-SA 3.0