meth·​a·​pyr·​i·​lene -ˈpir-ə-ˌlēn How to pronounce methapyrilene (audio)
: an antihistamine drug C14H19N3S formerly used as a mild sedative in proprietary sleep-inducing drugs

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Cite this Entry

“Methapyrilene.” Medical Dictionary, Merriam-Webster, Accessed 12 Jul. 2024.

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