[ dahy-fen-hahy-druh-meen ]
/ ˌdaɪ fɛnˈhaɪ drəˌmin /
a white, crystalline, antihistaminic compound, C17H21NO, used orally, topically, and parenterally, especially for allergies.
- diphenyl ketone,
Origin of diphenhydramine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019