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

He draws parallels to chlorofluorocarbons pollutants released from refrigerators that bore a hole in the ozone layer last century, and were eventually banned.

From BBC • Feb. 19, 2026

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

From Science Daily • Dec. 4, 2025

Weather balloon observations showed that in 2025, the ozone layer directly over the South Pole dropped to a minimum of 147 Dobson Units on October 6.

From Science Daily • Dec. 4, 2025

“He’s becoming a man. Men act strange from time to time, and I am worried about what the hole in the ozone layer is doing to the plants in the rain forest.”

From "Lawn Boy" by Gary Paulsen