total differential

18 LETTERS · STARTS WITH T

total differential is a valid 18-letter word worth 24 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1O1T1A1L1D2I1F4F4E1R1E1N1T1I1A1L1

1 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 4 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does total differential mean?