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as·ter·oid

asteroid

 
pronunciation:
ae st roId
features:
Word Combinations (noun), Word Explorer, Word Parts
part of speech: noun
definition: a small, rocky, planet-like body that circles the sun and is mostly found between the orbits of Jupiter and Mars. The size of an asteroid can vary from very tiny to six hundred miles across.
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derivation: asteroidal (adj.)
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  outer space, space
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