electronic tube

15 LETTERS · STARTS WITH E

electronic tube is a valid 15-letter word worth 20 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1L1E1C3T1R1O1N1I1C3T1U1B3E1

1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 3 + 0 + 1 + 1 + 3 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does electronic tube mean?