Main Entry: dex·tro·me·thor·phan

Pronunciation: \ˌdek-strō-mi-ˈthȯr-ˌfan\

Function: noun

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

Date: 1967

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