Meteoroid

ahd-5
  • noun. A solid body, moving in space, that is smaller than an asteroid and at least as large as a speck of dust.
  • The Century Dictionary and Cyclopedia
  • noun. A body traveling in space, and of the same nature as those which on entering the earth's atmosphere become visible as meteors.
  • the GNU version of the Collaborative International Dictionary of English
  • noun. 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.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. A relatively small (sand- to boulder-sized) fragment of debris in a solar system that produces a meteor when it hits the atmosphere
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
  • Word Usage
    "A meteoroid is matter revolving around the sun or any object in interplanetary space that is too small to be called an asteroid or a comet."
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