Meaning
Any chemical compound that prevents or slows down the degradation of material by ozone gas in the air.
Etymology
Origin: Unknown
From anti- + ozone (“ozonize, ozonate”) + -ant.
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2022, 2024, 2025, 2026.