亞硝酸鹽
Nitrite \Ni"trite\, n. [Cf. F. nitrite. See {Niter}.] (Chem.) A salt of nitrous acid. {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.
nitrite n : the radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid)