cascade converter

17 LETTERS · STARTS WITH C

cascade converter is a valid 17-letter word worth 26 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3A1S1C3A1D2E1C3O1N1V4E1R1T1E1R1

3 + 1 + 1 + 3 + 1 + 2 + 1 + 0 + 3 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 =26 PTS

DOUBLE WORD → 52TRIPLE WORD → 78

MEANING

What does cascade converter mean?