vacuum ventilation

18 LETTERS · STARTS WITH V

vacuum ventilation is a valid 18-letter word worth 27 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

V4A1C3U1U1M3V4E1N1T1I1L1A1T1I1O1N1

4 + 1 + 3 + 1 + 1 + 3 + 0 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does vacuum ventilation mean?