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dextromethorphan

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noun dex·tro·me·thor·phan \ˌdek-strō-mi-ˈthȯr-ˌfan\

Definition of dextromethorphan

  1. :  a cough suppressant C18H25NO that is widely used especially in the form of a hydrated hydrogen bromide complex



Origin of dextromethorphan

dextr- + methyl + morphinan parent substance of morphine alkaloids, from morphine + 3-an


First Known Use: 1967


Medical Dictionary

dextromethorphan

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noun dex·tro·me·thor·phan \ˌdek-strō-mi-ˈthȯr-ˌfan\

Medical Definition of dextromethorphan

  1. :  a nonaddictive cough suppressant that is widely used especially in the form of its hydrobromide C18H25NO·HBr in over-the-counter cough and cold preparations and is a codeine analog of levorphanol lacking the analgesic properties of codeine and producing little or no depression of the central nervous system




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