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diphenhydramine

[ dahy-fen-hahy-druh-meen ]

noun

, Pharmacology.
  1. a white, crystalline, antihistaminic compound, C 17 H 21 NO, used orally, topically, and parenterally, especially for allergies.

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Word History and Origins

Origin of diphenhydramine1

First recorded in 1945–50; diphen(yl) + hydr- 2 + amine

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diphenamiddiphenoxylate

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