cloud cover
Americannoun
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a covering of clouds over all or part of the sky.
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the fraction of sky covered by clouds.
Etymology
Origin of cloud cover
First recorded in 1940–45
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.
It is easiest to spot meteors in the northern hemisphere between midnight and an hour before sunrise, but of course it is dependent on cloud cover.
From BBC ● Jul. 17, 2026
Because of cloud cover limiting movement by a helicopter, rangers traveled on foot to reach the hiker, who was lowered down to Lake Helen, according to the U.S.
From Los Angeles Times ● Jul. 1, 2026
As with every technology, satellites have their limitations: They are not particularly helpful on days of thick cloud cover, which is much of the winter in Ukraine, and can’t loiter over a moving target.
From The Wall Street Journal ● Jun. 5, 2026
These satellites are particularly useful because they can capture accurate data on tree canopies even through dense cloud cover.
From Science Daily ● May 5, 2026
There was a thick cloud cover, heavy and threatening above us.
From "Fallen Angels" by Walter Dean Myers
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.