comets
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pluralof comet.plural
The grammatical form denoting more than one person, place, thing, or idea.
cometnouna celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and gas that may form a tail that streams away from the sun.
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.
Astronomers have seen similar behavior in some comets from our own solar system.
From Science Daily ● Sep. 9, 2026
The measurements suggest that the ice inside 3I/ATLAS formed under, or was later exposed to, conditions very different from those experienced by most comets in our solar system.
From Science Daily ● Sep. 9, 2026
This occurs when the Earth passes through trials of debris from asteroids or comets.
From BBC ● Aug. 12, 2026
Another branch of their work is planetary defence, which involves identifying threats like comets and asteroids.
From Barron's ● Aug. 7, 2026
Where a nova could possibly be regarded as a miracle, a comet was too commonplace an occurrence to be handled in this way, so if comets were supralunary phenomena, Aristotle was wrong.
From "The Invention of Science" by David Wootton
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