retarding force

NOUN
15 LETTERS · STARTS WITH R

retarding force is a valid 15-letter word worth 21 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1E1T1A1R1D2I1N1G2F4O1R1C3E1
1 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 2 + 0 + 4 + 1 + 1 + 3 + 1 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does retarding force mean?

NOUN · 1 SENSE
1

The phenomenon of resistance to motion through a fluid.

SYNONYMS
BROADER