dextromethorphan

== English == === Etymology === From dextro- +‎ methorphan. === Pronunciation === (General American) IPA(key): /ˌdɛk.stɹoʊ.məˈθɔɹˌfæn/ === Noun === dextromethorphan (uncountable) (pharmacology) An opioid that is used as an antitussive drug, found in many over-the-counter cold and cough preparations, and as an NMDA blocker used to treat pseudobulbar affect. Synonyms: DXM, DM, dex, drank, orphan tears ==== Antonyms ==== levomethorphan ==== Hypernyms ==== methorphan opioid ==== Related terms ==== racemethorphan ==== Translations ==== === See also === robohead robotrip === References === “dextromethorphan”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.