n. [ Cf. F. nitrite. See Niter. ] (Chem.) A salt or ester of nitrous acid; a compound bearing the -NO2 radical. [ 1913 Webster +PJC ]
Amyl nitrite, a yellow oily volatile liquid, used in medicine as a depressant and a vaso-dilator. Its inhalation produces an instantaneous flushing of the face. [ 1913 Webster ]