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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

However, another theory proposed that a comet or asteroid impact over North America triggered the event.

From Science Daily • Mar. 20, 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

Though the asteroid is given the provisional designation 2016BA11 until its orbit can be confirmed, Frieda knows she will name it the Jürgen Eichman in honor of him.

From "We Are the Ants" by Shaun David Hutchinson