n.
Pronunciation: ˌ d ī - ˌ men- ' h ī -dr ə - ˌ n ā t
Function: noun
Etymology: dime thyl + ami noun e + hydr- + am ine + 1 -ate
Date: circa 1950
: a crystalline antihistamine C 24 H 28 ClN 5 O 3 used especially to prevent nausea (as in motion sickness)