meteoroid definition - Dictionary

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meter-kilogram-second

meter maid

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meteoroid

me·te·or·oid [ mtee ə ròyd ] (plural me·te·or·oids)

noun

Definition:

mass of rock in space: a mass of rock in space, often a remnant of a comet, that becomes a meteor when it enters the Earth's atmosphere and a meteorite when it falls to Earth.
See also meteormeteorite

me·te·or·oid·al adjective

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