名詞 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)

形容詞 asteroid:

1. shaped like a star
   同義詞：star-shaped

as.ter.oid

n.（名詞）
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
【天文學(xué)】 小行星：一種圍繞太陽(yáng)旋轉(zhuǎn)的小型天體，其運(yùn)行軌道多集中在火星和木星的軌道之間，特征是直徑為幾公里至幾百公里也作 minor planet,planetoid
Zoology See starfish
【動(dòng)物學(xué)】 參見(jiàn) starfish
adj.also （形容詞） 也作
asteroidal
Star-shaped.
星狀的

來(lái)源：
Greek asteroeidôs [starlike]
希臘語(yǔ) asteroeidôs [星星似的]
astôr [star] * see ster- 3
astôr [星星] *參見(jiàn) ster- 3
-oeidôs [-oid]
-oeidôs [后綴，表示.如…的.]