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Astronomy any of the thousands of small bodies of from 480 miles (775 km) to less than one mile (1.6 km) in diameter that revolve about the sun in orbits lying mostly between those of Mars and Jupiter.
Zoology an asteroidean; a starfish.


253 Mathilde, a C-type asteroid measuring about 50 kilometres (30 mi) across, ..... It never had a formal definition, with the broader term minor planet being ...

asteroid - Dictionary Definition :

An asteroid is a large, irregularly shaped object in space that orbits our Sun. If one of these giant rocks ends up on a collision course with Earth, we are in for big ...

Asteroid | Definition of asteroid by Merriam-Webster

any one of thousands of small planets that circle around the sun. Improve your SCRABBLE game with our official Word Finder Tool Word Finder Tool » ...
Definition: Asteroid Number : number assigned to an asteroid when it is discovered. It has no particular meaning except that asteroid N+1 was discovered after asteroid N. More »
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Asteroid dictionary definition | asteroid defined - YourDictionary

The definition of an asteroid is a rocky mass that orbits the sun. Facts About Astroids. More than 1,800 asteroids have been identifed in the solar system.

Asteroid - definition of asteroid by The Free Dictionary

Astronomy Any of numerous small solar system bodies that revolve around the sun, with orbits lying chiefly between Mars and Jupiter and characteristic ...

asteroid - definition of asteroid in English from the Oxford dictionary

A small rocky body orbiting the sun. Large numbers of these, ranging e.... Meaning, pronunciation and example sentences, English to English reference content.

Asteroids - Utk

The ajacent image shows the asteroid Gaspra, as photographed by the Galileo space probe (Ref). The name asteroids, meaning "star-like", derives from the fact  ...

What Are an Asteroid, a Meteor and a Meteorite | Define Asteroid ...

Feb 15, 2013 ... What is the difference between an asteroid, a meteoroid, a meteor and a ... There's no universally accepted, hard-and-fast definition (based on ...

asteroid | Define asteroid at
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Popular Q&A
Q: What si the definition of an asteroid?
A: Any of various very small planets orbiting around a sun. Read More »
Q: What is the definition of an asteroid?
A: As·ter·oid/?ast?roid/ Noun: A small rocky body orbiting the sun. Large Read More »
Q: What is the definition for asteroid?
A: What is the Definison for asteroid. Read More »
Q: Definition of asteroids?
A: Asteroids:1:any of numerous small celestial bodies composed of rock and metal that move Read More »
Q: What's the definition of asteroid?
A: asteroid: shaped like a star; any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and ... Read More »