variable capacitor

18 LETTERS · STARTS WITH V

variable capacitor is a valid 18-letter word worth 28 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

V4A1R1I1A1B3L1E1C3A1P3A1C3I1T1O1R1

4 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 0 + 3 + 1 + 3 + 1 + 3 + 1 + 1 + 1 + 1 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does variable capacitor mean?