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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.

Missile defense systems, orbital data centers, asteroid mining and Mars colonies: The final frontier beckons with untold riches and glory that Rocket Lab and others are racing to claim.

From MarketWatch • Jun. 10, 2026

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

My avatar needed a stronghold, and I didn’t want any neighbors, so I’d bought the cheapest planetoid I could find—this tiny barren asteroid in Sector Fourteen.

From "Ready Player One: A Novel" by Ernest Cline




Vocabulary lists containing asteroid


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