amyl nitrite
nounUK /am.ɪl ˈnʌɪ.tɹʌɪt/ · US /ˌæm.əl ˈnaɪˌtɹaɪt/
1
Medicine, Pharmacology, Sciences A yellowish volatile synthetic liquid C₅H₁₁NO₂ of commercial amyl alcohol and nitrous acid that is used medicinally as a vasodilator. It is rapidly absorbed by the body on inhalation, and is sometimes used recreationally especially as an aphrodisiac.