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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.

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Those observations are intended to help researchers evaluate the deflection of asteroids as a potential method to defend Earth against asteroid impacts.

From Science Daily Aug. 26, 2026

The Little Prince, who lives on a house-sized asteroid, recounts his travels to different planets and shares solemn wisdom about life’s challenges.

From The Wall Street Journal Aug. 17, 2026

JAXA's Hayabusa 2 mission brought material back from asteroid Ryugu, while NASA's OSIRIS-REx mission returned samples from asteroid Bennu.

From Science Daily Aug. 8, 2026

"Asteroids are a really interesting challenge in many ways. It's unusual for an asteroid to come out of nowhere," explained Nash.

From Barron's Aug. 7, 2026

“I’m only saying,” said Gregory Powell, patiently, as one explaining electronics to an idiot child, “that according to spec, those robots are equipped for asteroid mining without supervision. We’re not supposed to watch them.”

From "I, Robot" by Isaac Asimov

The "capture" hypothesis meanwhile postulates that the moons are asteroids from the outer Solar System that were captured by Mars' gravity.

From Barron's Aug. 16, 2026

This occurs when the Earth passes through trials of debris from asteroids or comets.

From BBC Aug. 12, 2026

The central question is whether spacecraft could reach these asteroids, extract useful materials, and transport them to Mars without consuming so much energy and fuel that the entire effort becomes impractical.

From Science Daily Aug. 7, 2026

The results point to specific asteroids that could be reached using existing spacecraft technology.

From Science Daily Aug. 7, 2026

Nobody knows even approximately how many asteroids there are tumbling through space, but the number is thought to be probably not less than a billion.

From "A Short History of Nearly Everything" by Bill Bryson




Vocabulary lists containing asteroid


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