antiozonant

noun

an·​ti·​ozon·​ant ˌan-tē-ˈō-(ˌ)zō-nənt 

ˌan-ˌtī-

variants or less commonly anti-ozonant

plural antiozonants also anti-ozonants

: any of a group of chemicals that are added during manufacturing to protect consumer products against damage (such as cracking) from ozone

The additive … is an organic antioxidant and antiozonant used to prevent cracking and heat buildup in tires, physical performance characteristics that are crucial to passenger safety.

—Andrew Schunk

The term antiozonant denotes any additive that protects rubber against ozone deterioration.

—Nicholas P. Cheremisinoff

Word History

First Known Use

1954, in the meaning defined above