working fluid

13 LETTERS · STARTS WITH W

working fluid is a valid 13-letter word worth 24 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

W4O1R1K5I1N1G2F4L1U1I1D2

4 + 1 + 1 + 5 + 1 + 1 + 2 + 0 + 4 + 1 + 1 + 1 + 2 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does working fluid mean?