double triode

13 LETTERS · STARTS WITH D

double triode is a valid 13-letter word worth 16 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2O1U1B3L1E1T1R1I1O1D2E1

2 + 1 + 1 + 3 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 2 + 1 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does double triode mean?