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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.

Bennu is known as a carbonaceous asteroid, meaning it is rich in carbon-based material, including organic compounds.

From Science Daily • Mar. 31, 2026

In a classic episode, Elroy goes to an asteroid on a school field trip.

From The Wall Street Journal • Mar. 30, 2026

"Large impact basins or craters excavate deep into the asteroid, which gives clues about what its interior is made of," said Namya Baijal, a doctoral candidate at the LPL and first author of the paper.

From Science Daily • Mar. 17, 2026

About 66 million years ago, a massive asteroid struck Earth and unleashed one of the most destructive events in the planet's history.

From Science Daily • Mar. 15, 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




Vocabulary lists containing asteroid