companion star

noun Astronomy.

companion¹(def 6).

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Nearby words

companion cell, companion ladder, companion piece, companion planting, companion set, companion star, companion vein, companionable, companionate, companionate marriage, companionship

Origin of companion star

First recorded in 1775–85

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019