ozone layer

[oh-zohn ley-er] / ˈoʊ zoʊn ˈleɪ ər /

NOUN

upper layer of atmosphere

Synonyms

WEAK

isothermal layer ozone ozonosphere

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Halley VI is focused on space and atmospheric data, as well as studying the Brunt Ice Shelf on which it's located close to the coast, and the hole in the Earth's ozone layer.

From BBC • Feb. 22, 2026

Keeping an eye on the ozone layer takes a team of observing systems spread across the globe.

From Science Daily • Dec. 4, 2025

If Mars once had an ozone layer shielding its surface from ultraviolet radiation, that protective barrier could have made it far more hospitable to life billions of years ago.

From Science Daily • Oct. 19, 2025

There are holes in the ozone layer, in our ceilings and in our hearts.

From Salon • Oct. 9, 2025

Zeus’s gaze was as far away as the ozone layer.

From "Blood of Olympus" by Rick Riordan