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ozone

[oh-zohn, oh-zohn] / ˈoʊ zoʊn, oʊˈzoʊn /


NOUN
ozone layer
Synonyms


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.

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New Delhi, Dhaka, Chinese megalopolis Chongqing and Pakistan's Lahore were among cities whose ozone levels were "extremely poor".

From Barron's ● Sep. 30, 2026

One bright spot was Oceania, including Australia and New Zealand, where 66 percent of the population enjoyed "good" ozone levels and 34 percent lived under "fair" conditions.

From Barron's ● Sep. 30, 2026

When heat and sunlight react with airborne emissions from wildfires, vehicles and industry, they create ground-level ozone pollution, which can damage lung tissue, cause breathing problems, trigger asthma attacks and lead to other health issues.

From Barron's ● Sep. 30, 2026

During experiments in the tiny home, ozone concentrations increased to roughly 20 to 40 parts per billion.

From Science Daily ● Sep. 26, 2026

The ozone abundance is so small that germicidal ultraviolet radiation from the Sun strikes the Martian surface unimpeded.

From "Cosmos" by Carl Sagan


Vocabulary lists containing ozone

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