The Collaborative International Dictionary
Hyponitrite
Hyponitrite \Hy`po*ni"trite\, n. (Chem.) A salt of hyponitrous acid.
Wiktionary
hyponitrite
n. (context inorganic chemistry English) The oxyanion of nitrogen NO- derived from hyponitrous acid; any salt containing this anion
Wikipedia
Hyponitrite
A hyponitrite refers to ionic compounds that contain the hyponitrite ion, , ([ON=NO]) or to organic hyponitrites (RON=NOR), for example di-tert butyl hyponitrite.