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

"By understanding how much ozone there is and how variable it is, we know more about how the atmosphere changed over time, and even whether Mars once had a protective ozone layer like on Earth."

From Science Daily • Oct. 19, 2025

They say that as more and more rockets are launched, the risks of harming the ozone layer increases.

From BBC • Apr. 14, 2025

In addition to war and crime and cruelty, we have to worry about environmental problems—about pollution, the growing hole in the ozone layer, the greenhouse effect, and global warming.

From "My Life with the Chimpanzees" by Jane Goodall