You searched for: “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.
This entry is located in the following units: meteoro-, meteor- + (page 2) -oid, -oidal, -oidism, -odic (page 13)
Word Entries at Get Words: “meteoroid
meteoroid (s) (noun), meteoroids (pl)
A solid body smaller than an asteroid that orbits the Sun: Both meteors and meteorites were meteoroids.

A meteoroid is the general term for a meteor and a micrometeroid in the latter usually has a masses of less than a microgram.

This entry is located in the following unit: Astronomy and related astronomical terms (page 15)