Meaning of antiozonant

an•ti•o•zon•ant

Pronunciation: (an"tē-ō'zō-nunt, an"tī-), [key]
— n. Chem.
  1. an admixture to natural or synthetic rubber for preventing ozonolysis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.