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.

Research led by MIT has shown that cutting these ozone-depleting substances is allowing the ozone layer to slowly heal.

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

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

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

From Salon • Oct. 9, 2025

They also knew radiation levels were higher beyond the ozone layer.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot