meteoroid – מילון אנגלי-אנגלי
meteoroid
n.
small solid body which becomes a meteor upon entrance to the Earth's atmosphere (Astronomy)
Meteoroid
A
meteoroid is a small rocky or metallic body travelling through space. Meteoroids are significantly smaller than
asteroids, and range in size from small grains to 1 meter-wide objects. Objects smaller than this are classified as
micrometeoroids or
space dust. Most are fragments from
comets or asteroids, whereas others are
collision impact debris ejected from bodies such as the
Moon or
Mars.
meteoroid
Noun
1. (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
(synonym) meteor
(hypernym) extraterrestrial object, estraterrestrial body
(hyponym) meteorite
(classification) astronomy, uranology
meteoroid
n.
meteoroid
Meteoroid
(n.)
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.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
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