[ val'prəʊɪk ]
■ noun Chemistry a synthetic crystalline compound used in the treatment of epilepsy.
Origin
1970s: from val(eric) (see valeric acid ) + pro(pyl) + -ic .
VALPROIC ACID
Meaning of VALPROIC ACID in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004