Advertisement

asteroid (n.)

"one of the planetoids orbiting the sun, found mostly between Mars and Jupiter," 1802, coined probably by German-born English astronomer William Herschel (1738-1822) from Greek asteroeides "star-like," from aster "star" (from PIE root *ster- (2) "star") + -eidos "form, shape" (see -oid). Related: Asteroidal.

Others are reading

Advertisement
Advertisement
Definitions of asteroid from WordNet
1
asteroid (n.)
any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter);
2
asteroid (adj.)
shaped like a star;
Synonyms: star-shaped
From wordnet.princeton.edu