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.

Chemicals introduced to help repair and protect Earth's ozone layer may have created an unexpected environmental problem.

From Science Daily • Jun. 9, 2026

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

With leakage reduced to 0.5 percent, the ozone layer would recover to its 1980 condition by 2066.

From Science Daily • Apr. 16, 2026

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

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

From "Blood of Olympus" by Rick Riordan