curve fitting

13 LETTERS · STARTS WITH C

curve fitting is a valid 13-letter word worth 21 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3U1R1V4E1F4I1T1T1I1N1G2

3 + 1 + 1 + 4 + 1 + 0 + 4 + 1 + 1 + 1 + 1 + 1 + 2 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does curve fitting mean?