ozone layer

noun

: an atmospheric layer at heights of about 20 to 30 miles (32 to 48 kilometers) that is normally characterized by high ozone content which blocks most solar ultraviolet radiation from entry into the lower atmosphere

Examples of ozone layer in a Sentence

Recent Examples on the Web

But sulfur dioxide can have negative impacts, including contributing to acid rain and ozone layer depletion. — Laura Paddison, CNN Money, 8 Sep. 2026

An air quality alert is in effect, not for smoke, but for the ozone layer. — Lauren Bostwick, CBS News, 28 Aug. 2026

In a blog post on Wednesday, Gates called for a new international organization to manage AI, drawing on elements from a nuclear inspections regime, international aviation regulations and ozone layer protection agreements. — Reuters, NBC news, 27 Aug. 2026

These agencies could be modeled on certain existing systems, such as the global inspections regime for nuclear weapons, regulations for international aviation and agreements that protect the ozone layer. — Hugh Leask, CNBC, 26 Aug. 2026

Word History

First Known Use

1927, in the meaning defined above

Rhymes for ozone layer

• assayer
• ballplayer
• betrayer
• bilayer
• bricklayer
• conveyer
• conveyor
• purveyor
• ratepayer
• soothsayer
• surveyor
• taxpayer

Kids Definition

ozone layer

noun

: a layer of the earth's atmosphere at heights of about 20 to 30 miles (32 to 48 kilometers) that is normally characterized by high ozone content which blocks most of the sun's ultraviolet radiation from entry into the lower atmosphere