[ an-tee-oh-zoh-nuh nt, an-tahy- ]
/ ˌæn tiˈoʊ zoʊ nənt, ˌæn taɪ- /

noun Chemistry.

an admixture to natural or synthetic rubber for preventing ozonolysis.


Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

Origin of antiozonant

1950–55; anti- + ozonant (ozon(ize) + -ant) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020