First Known Use: 1967
Dictionary
dextromethorphan
noun dex·tro·me·thor·phan \ˌdek-strō-mi-ˈthȯr-ˌfan\
Definition of DEXTROMETHORPHAN
: a cough suppressant C18H25NO that is widely used especially in the form of a hydrated hydrogen bromide complex
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Origin of DEXTROMETHORPHAN
dextr- + methyl + morphinan parent substance of morphine alkaloids, from morphine + 3-an
Medical Dictionary
dextromethorphan
noun dex·tro·me·thor·phan \ˌdek-strō-mi-ˈthȯr-ˌfan\
Medical Definition of DEXTROMETHORPHAN
: 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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