ozonide

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Any of various, often explosive chemicals formed by attachment of ozone to the double bond of an unsaturated compound and used in analytical chemistry to locate such bonds.

Century Dictionary and Cyclopedia

1. n. A substance formerly supposed to contain as a constituent ozone or the specially active form of oxygen. The term is sometimes rather vaguely applied to a substance capable of producing ozone.

Wiktionary

1. n. chemistry the univalent anion, O3-, derived from ozone
2. n. chemistry any dark red salt of this anion and a metal
3. n. chemistry any of a number of explosive organic compounds containing a -O-O-O- group
4. n. chemistry 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

WordNet 3.0

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