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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

"We can't get to the cores of Earth or Mars or Venus, but maybe we can get to the core of an early asteroid."

From Science Daily • Mar. 17, 2026

More than two centuries after asteroid 16 Psyche was first identified, scientists are still trying to determine how it formed.

From Science Daily • Mar. 17, 2026

Two years later, another, somewhat larger asteroid missed us by just 90,000 miles–the closest pass yet recorded.

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