What is "ozonide"

n. 1 (context chemistry English) the univalent anion, O₃^-, derived from ozone 2 (context chemistry English) any dark red salt of this anion and a metal 3 (context chemistry English) any of a number of explosive organic compounds containing a -O-O-O- group 4 (context chemistry English) any of a class of heterocycles, containing two carbon atoms (in positions 3 and 5) and three oxygen atoms (in positions 1, 2 and 4) produced by the reaction of ozone with a carbon to carbon double bond; the 1,2,4-trioxolanes

n. any of a class of unstable chemical compounds resulting from the addition of ozone to a double bond in an unsaturated compound

Ozonide is an unstable, reactive polyatomic anion , derived from ozone, or an organic compound similar to organic peroxide formed by a reaction of ozone with an unsaturated compound.