ˌdīˌmenˈhīdrə̇ˌnāt noun
( -s )
Etymology: dime- (from dimethyl ) + -n- (from amine ) + -hydrin- (from diphenhydramine ) + -ate
: a crystalline compound C 17 H 22 NO.C 7 H 6 ClN 4 O 2 made by reaction of diphenhydramine with 8-chloro-theophylline and used in the prevention or treatment of motion sickness and postoperative nausea