Meteoroid

Small bodies in orbit about the sun which are candidates for falling to Earth or to another planet.

Meteoroid

A meteoroid is a small rocky or metallic body travelling through space. Meteoroids are significantly smaller than asteroids, and range in size from small grains to 1 meter-wide objects. Smaller objects than this are classified as micrometeoroids or space dust. Most are fragments from comets or asteroids, while others are collision impact debris ej...
Found on http://en.wikipedia.org/wiki/Meteoroid

Meteoroid

is a small rock or boulder that has entered a planetary atmosphere. If it survives to reach the ground, it is then termed a meteorite.
Found on http://en.wikipedia.org/wiki/Glossary_of_astronomy

meteoroid

Solid mass suspended in outer space that revolves around the sun. Meteoroids are smaller than asteroids.
Found on http://www.encyclo.co.uk/local/22291

Meteoroid

• (n.) A small body moving through space, or revolving about the sun, which on entering the earth`s atmosphere would be deflagrated and appear as a meteor.
Found on http://thinkexist.com/dictionary/meaning/meteoroid/

meteoroid

(from the article `meteor and meteoroid`) respectively, a glowing streak in the sky (meteor) and its cause, which is a relatively small stony or metallic natural object from space (meteoroid) ... temporary rise in the rate of meteor sightings, caused by the entry into Earth`s atmosphere of a number of meteoroids ( meteor and meteoroid) ...
Found on http://www.britannica.com/eb/a-z/m/79

meteoroid

meteor noun (astronomy) any of the small solid extraterrestrial bodies that hits the earth`s atmosphere
Found on https://www.encyclo.co.uk/local/20974

Meteoroid

Me'te·or·oid (mē'te*ẽr*oid) noun [ Meteor + -oid .] (Astron.) A small body moving through space, or revolving about the sun, which on entering the earth's atmosphere would be deflagrated and appear as a meteor. « These bodies [ small, solid bodies] before they ...
Found on http://www.encyclo.co.uk/webster/M/58

Meteoroid

A floating piece of small rock in space.
Found on http://www.solarspace.co.uk/Glossary3.php

Meteoroid

A meteoroid is any body drifting in space that has a large enough mass to be detected but which is significantly smaller than an asteroid. The exact limit at which a meteoroid is reclassified as an asteroid is up for debate, but generally, any object smaller than 50 meters in diameter is considered a meteoroid.
Found on http://www.moonconnection.com/moon-glossary.phtml

Meteoroid

A particle of iron or rock found in inter-planetary space. Distinguished from planets or asteroids b
Found on http://www.encyclo.co.uk/local/22392

meteoroid

a piece of stone or metal that travels in space around the sun
Found on http://idahoptv.org/sciencetrek/topics/astronomy/glossary.cfm

meteoroid

A small rock in space.
Found on http://www.solarviews.com/eng/terms.htm

meteoroid

A small rocky or metallic object in orbit around the Sun (or another star). A meteoroid which strikes the Earth (or other large body) is called a meteorite. As a meteoroid encounters the Earth's atmosphere frictional heating begins at an altitude of 100 to 120 km. What happens next depends on the sp...
Found on http://www.daviddarling.info/encyclopedia/M/meteoroid.html

Meteoroid

A small, rocky object in orbit around the Sun, smaller than an asteroid.
Found on http://www.seasky.org/astronomy/astronomy-glossary.html

Meteoroid

A solid body, moving in space, that is smaller than an asteroid and at least as large as a speck of dust. Nearly all meteoroids originate from asteroids or comets.
Found on http://www.braeunig.us/space/glossary.htm

Meteoroid

A solid object moving in interplanetary space, of a size considerably smaller than a asteroid and considerably larger than an atom or molecule.
Found on http://www.imo.net/glossary

Meteoroid

An object in space similar to but smaller than an asteroid. See also: Meteor, Meteorite.
Found on http://www.diracdelta.co.uk/science/source/m/e/meteoroid/source.html

Meteoroid

Any small solid object in space. Most meteoroids are barely bigger than a grain of sand.
Found on http://www.encyclo.co.uk/local/20448

meteoroid

meteoroid 1. A body moving through space, of the same nature as those which when passing through the atmosphere become visible as meteors. 2. One of the many small bodies in the solar system that become meteors on entering the earth’s atmosphere.
Found on http://www.wordinfo.info/words/index/info/view_unit/1455/13

meteoroid

meteoroid: see meteor.
Found on http://www.infoplease.com/ce6/sci/A0916192.html

Meteoroid

Meteoroids are tiny stones or pieces of metal that travel through space.
Found on http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

meteoroid

[n] - (astronomy) any of the small solid extraterrestrial bodies that hits the earth`s atmosphere
Found on http://www.webdictionary.co.uk/definition.php?query=meteoroid
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