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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.

Early Earth experienced frequent asteroid impacts, making these environments likely common.

From Science Daily • Apr. 3, 2026

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

From The Wall Street Journal • Mar. 30, 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

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

But an invisible object weighing ten times more than the Sun and collapsed into a volume the size of an asteroid can only be a black hole.

From "Cosmos" by Carl Sagan