an·​ti·​ozon·​ant ˌan-tē-ˈō-(ˌ)zō-nənt How to pronounce antiozonant (audio)
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

Time Traveler
The first known use of antiozonant was in 1954

Dictionary Entries Near antiozonant

Cite this Entry

“Antiozonant.” Dictionary, Merriam-Webster, Accessed 21 May. 2024.

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