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.

HFCs were introduced in the 1990s to replace chemicals that had been found to erode the ozone layer, but turned out to be catastrophic for global warming.

From Barron's • May 21, 2026

The team then evaluated how these emissions would affect the ozone layer itself.

From Science Daily • Apr. 16, 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

"Our largest concern is aluminium and aluminium oxides interacting with the ozone layer," Wing says.

From BBC • Feb. 19, 2026

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

From "Blood of Olympus" by Rick Riordan