vacuum bulb

11 LETTERS · STARTS WITH V

vacuum bulb is a valid 11-letter word worth 21 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

V4A1C3U1U1M3B3U1L1B3

4 + 1 + 3 + 1 + 1 + 3 + 0 + 3 + 1 + 1 + 3 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does vacuum bulb mean?