Dictionary.com
Thesaurus.com

asteroids

  • plural
    of asteroid.
    asteroid
    noun
    any of millions of small celestial objects revolving around the sun, often irregularly shaped and having a great range in size, from as small as 6 feet (2 meters) across to about 620 miles (998 kilometers) across: the vast majority of known asteroids exist within the asteroid belt.

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.

See Examples For:

The "capture" hypothesis meanwhile postulates that the moons are asteroids from the outer Solar System that were captured by Mars' gravity.

From Barron's ● Aug. 16, 2026

This occurs when the Earth passes through trials of debris from asteroids or comets.

From BBC ● Aug. 12, 2026

Meteor showers happen when the Earth passes through trails of debris from asteroids or comets - a snowball of frozen rock and gas orbiting the Sun.

From BBC ● Aug. 11, 2026

Some of them, called M type asteroids, contain large quantities of iron, nickel, and other useful metals.

From Science Daily ● Aug. 7, 2026

So, too, we would say, the craters we see on the moon are vestiges of past collisions with asteroids.

From "The Invention of Science" by David Wootton