butyl nitrite

noun Chemistry.
  1. a volatile liquid, C4H9NO2, the vapor of which can cause headache and vasodilation, used as an active ingredient in some household deodorizers, and misused by inhalation to prolong the sensation of orgasm.

Origin of butyl nitrite

First recorded in 1975–80
Also called isobutyl nitrite.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018