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 All these spacecraft burning up could also delay the recovery of the ozone layer for decades, thanks to the buildup of aluminum oxide particles, or affect how that part of the atmosphere moderates climate change. Ramin Skibba, Rolling Stone, 6 July 2024 Sustainability Christopher Elliott Special to USA TODAY Travel consumes precious natural resources, pollutes the environment and punches a hole in the ozone layer. Christopher Elliott, USA TODAY, 19 Mar. 2024 This is what happens to your body in extreme heat Long-wave ultraviolet A rays (UVA) and short-wave ultraviolet B rays (UVB) penetrate the ozone layer and can burn, damage and age skin even on cloudy days. Sandee Lamotte, CNN, 21 June 2024 Although the ozone layer in the upper atmosphere shields us from the sun’s radiation, ground-level ozone poses health risks. Jade Jackson, The Indianapolis Star, 20 June 2024 See all Example Sentences for ozone layer 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ozone layer.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1927, in the meaning defined above

Time Traveler
The first known use of ozone layer was in 1927

Dictionary Entries Near ozone layer

Cite this Entry

“Ozone layer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ozone%20layer. Accessed 20 Jul. 2024.

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

More from Merriam-Webster on ozone layer

Last Updated: - Updated example sentences
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