antiepileptic

NOUN
13 LETTERS · STARTS WITH A

antiepileptic is a valid 13-letter word worth 19 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1N1T1I1E1P3I1L1E1P3T1I1C3
1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 3 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does antiepileptic mean?