·add. ·- A yellowish oily volatile liquid, C5H11NO2, used in medicine as a heart stimulant and a vasodilator. The inhalation of its vapor instantly produces flushing of the face.
·noun A salt of nitrous acid. ...
Webster's Dictionary of the English Language
·noun A hydrocarbon radical, C5H11, of the paraffine series found in amyl alcohol or fusel oil, ·etc...
·add. ·- Any of eight isomeric liquid compounds, C5H11OH; ordinarily, a mixture of two of these form...