<p><strong>Noun</strong></p><ul><li>a substance that produces anesthesia, as halothane, procaine, or ether.</li></ul><p><strong>Adjective</strong></p><ul><li>pertaining to or causing physical insensibility: an anesthetic gas.</li><li>physically insensitive: Halothane is used to produce an anesthetic state.</li></ul><p><strong>End of Response</strong></p>