semidefinite

12 LETTERS · 5 SYLLABLES · STARTS WITH S

semidefinite is a valid 12-letter word worth 18 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1M3I1D2E1F4I1N1I1T1E1

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

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does semidefinite mean?