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Definitions

asteroid

[as-tuh-roid] / ˈæs təˌrɔɪd /


NOUN
satellite
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.

Last summer, a NASA-funded asteroid impact warning system detected a mysterious object speeding through the solar system.

From Los Angeles Times • Jun. 6, 2026

SpaceX’s plans, according to its recent regulatory filings, include asteroid mining and a colony on Mars.

From MarketWatch • Jun. 5, 2026

"We discovered a clear connection between these distant moons and the early Earth, where high concentrations of hydrogen through asteroid impacts could have created the conditions for life."

From Science Daily • May 29, 2026

If that theory is correct, the asteroid could provide scientists with a rare opportunity to study material normally hidden deep inside rocky planets like Earth.

From Science Daily • May 23, 2026

A similar argument applies for every planet and asteroid and comet.

From "Cosmos" by Carl Sagan




Vocabulary lists containing asteroid


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