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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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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

Japan also has experience in bringing back samples from space, including JAXA's unmanned Hayabusa-2 which returned 5.4 grams of rock and dust collected from an asteroid several hundred million kilometres from Earth in 2020.

From Barron's Aug. 16, 2026

A future supply network could move metals from asteroids to Mars while using propellant produced from asteroid resources.

From Science Daily Aug. 7, 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

An asteroid could have hit the planet and wiped out all life, and Annabeth wouldn’t have cared.

From "The Mark of Athena" by Rick Riordan

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

From BBC Aug. 12, 2026

Meteor showers happen when the Earth passes through trails of debris from asteroids or comets - a snowball of frozen rock and gas orbiting the Sun.

From BBC Aug. 11, 2026

Those samples contain substantial evidence that briny fluids once existed just beneath the surfaces of their parent asteroids.

From Science Daily Aug. 8, 2026

While smaller space rocks frequently burn up in Earth's atmosphere, large orbiting rocks like asteroids are rarer.

From Barron's Aug. 7, 2026

Perhaps a trip from Libra to one of the asteroids would bring back materials rich in carbon and nitrogen.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins




Vocabulary lists containing asteroid


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