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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

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

Instead, liquid water likely interacted with different parts of the asteroid under varying conditions, creating a patchwork of chemical environments.

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

The actual impact of a small comet or asteroid with the Moon might make a momentary explosion sufficiently bright to be visible from the Earth.

From "Cosmos" by Carl Sagan