meteoroid

- 3 dictionary results

me⋅te⋅or⋅oid

[mee-tee-uh-roid]

–noun Astronomy.

any of the small bodies, often remnants of comets, traveling through space: when such a body enters the earth's atmosphere it is heated to luminosity and becomes a meteor.

Origin:
1860–65; meteor + -oid

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Link To meteoroid

me·te·or·oid (mē'tē-ə-roid')

n. A solid body, moving in space, that is smaller than an asteroid and at least as large as a speck of dust.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

meteoroid

"rock floating in space, which becomes a meteor when it enters Earth's atmosphere," formed in Eng. 1865.

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