anticonvulsant

NOUN /,æntɪkən'vəlsənt/
14 LETTERS · 5 SYLLABLES · STARTS WITH A

anticonvulsant is a valid 14-letter word worth 19 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1N1T1I1C3O1N1V4U1L1S1A1N1T1
1 + 1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 1 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does anticonvulsant mean?