subadditive

11 LETTERS · 4 SYLLABLES · STARTS WITH S

subadditive is a valid 11-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1U1B3A1D2D2I1T1I1V4E1

1 + 1 + 3 + 1 + 2 + 2 + 1 + 1 + 1 + 4 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does subadditive mean?