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Meaning of diphenhydramine | Babel Free

Noun CEFR C2
ˌdʌɪ.fɛnˈhʌɪ.dɹəm.iːn

Definitions

An antihistamine and anticholinergic drug that blocks the effect of histamine at H₁ receptor sites, relieving allergy symptoms. It also reduces smooth muscle contraction, increases heart rate, and sedates the user by blocking muscarinic acetylcholine receptors (mAChRs).

countable, uncountable

Equivalents

Čeština difenhydramin

Examples

“Diphenhydramine is a convenient and cheap antihistamine for use, but there are other drugs that do not make the user tired.”

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

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