Magellanic-cloud definition

(astron., place, proper) Either of two irregular galaxies visible to the naked eye in the S constellations Dorado, Mensa, and Tucana: the larger one is the closest external galaxy to the Milky Way and the smaller one is the second closest.
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(astronomy) Either of two irregular galaxies that are close companions of our Milky Way galaxy.
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Other Word Forms

Noun

Singular:
magellanic-cloud

Origin of magellanic-cloud

  • After Portuguese explorer Ferdinand Magellan.

    From Wiktionary