asteroid

名词 asteroid:

1. any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)

形容词 asteroid:

1. shaped like a star
   同义词：star-shaped

as.ter.oid

n.（名词）
Astronomy Any of numerous small celestial bodies that revolve around the sun, with orbits lying chiefly between Mars and Jupiter and characteristic diameters between a few and several hundred kilometers.Also called minor planet ,planetoid
【天文学】 小行星：一种围绕太阳旋转的小型天体，其运行轨道多集中在火星和木星的轨道之间，特征是直径为几公里至几百公里也作 minor planet,planetoid
Zoology See starfish
【动物学】 参见 starfish
adj.also （形容词） 也作
asteroidal
Star-shaped.
星状的

来源：
Greek asteroeidôs [starlike]
希腊语 asteroeidôs [星星似的]
astôr [star] * see ster- 3
astôr [星星] *参见 ster- 3
-oeidôs [-oid]
-oeidôs [后缀，表示.如…的.]