coolidge tube

13 LETTERS · STARTS WITH C

coolidge tube is a valid 13-letter word worth 18 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3O1O1L1I1D2G2E1T1U1B3E1

3 + 1 + 1 + 1 + 1 + 2 + 2 + 1 + 0 + 1 + 1 + 3 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does coolidge tube mean?