me·te·or·oid /ˈmitiəˌrɔɪd/
 流星體


 Me·te·or·oid n.  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 come into the air, I call meteoroids.   --H. A. Newton.

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 meteoroid
      n : (astronomy) any of the small solid extraterrestrial bodies
          that hits the earth's atmosphere [syn: meteor]