Meaning of meteoroid

me•te•or•oid

Pronunciation: (mē'tē-u-roid"), [key]
— n. Astron.
  1. 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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