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Definitions

cirrus

[sir-uhs] / ˈsɪr əs /
NOUN
tendril
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.

The most likely explanation is the presence of thick but uneven water ice clouds, similar to cirrus clouds high in Earth's atmosphere -- an unexpected complication.

From Science Daily • Apr. 22, 2026

Those harmless-looking vapor trails sometimes spread out to form thin cirrus clouds.

From Seattle Times • Dec. 3, 2023

The remaining, thinner cirrus clouds would allow more long-wave radiation emanating from Earth to escape to space.

From Scientific American • Sep. 20, 2023

Brilliant red, orange and scarlet sunsets often take place in the presence of higher cirrus or altocumulus clouds instead of low-level clouds such as stratus or stratocumulus.

From Washington Post • Apr. 13, 2023

It was still clear, but a thin, wispy scum of cirrus had spread across the upper atmosphere, and a dark line of squalls was visible just above the southwestern horizon.

From "Into the Wild" by Jon Krakauer




Vocabulary lists containing cirrus


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