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planetoid |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Planetoid \Plan"et*oid\, n. [Planet + -oid.] (Astron.) A body resembling a planet; an asteroid. From WordNet r 1.6 [wn]: planetoid 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) [syn: {asteroid}, {minor planet}]
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