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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.

A new study shows that, at an incredibly small scale, the building blocks inside the asteroid Bennu are not evenly mixed.

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

In their simulations, the asteroid was struck at speeds typical for the asteroid belt, about three miles per second.

From Science Daily • Mar. 17, 2026

"One of our main findings was that the porosity -- the amount of empty space inside the asteroid -- plays a significant role in how these craters form," said Baijal.

From Science Daily • Mar. 17, 2026

For example, the dinosaurs may have been exterminated by the impact of an asteroid whose orbit was completely determined by the laws of classical mechanics.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond