di·phen·hy·dra·mine noun \ˌdī-ˌfen-ˈhī-drə-ˌmēn\
: an antihistamine C17H21NO used especially in the form of its hydrochloride
First Known Use of DIPHENHYDRAMINE
di·phen·hy·dra·mine noun \ˌdī-ˌfen-ˈhī-drə-ˌmēn\ (Medical Dictionary)
: an antihistamine used especially in the form of its hydrochloride C17H21NO·HCl to treat allergy symptoms and motion sickness and to induce sleep—see benadryl
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