a white slightly soluble bitter-tasting crystalline substance: an antihistamine used in the prevention of nausea, esp in travel sickness. Formula: C24H28ClN5O3
Word origin
from dime(thyl + ami)n(e) + (diphen)hydr(am)in(e) + -ate1
dimenhydrinate in American English
(ˌdaɪmɛnˈhaɪdrəˌneɪt)
noun
a crystalline solid, C24H28ClN5O3, used to control nausea and vomiting, as in motion sickness