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companion star
noun
Astronomy
.
companion
1
(def 6)
.
Origin of companion star
First recorded in 1775–85
Words nearby companion star
companion cell
,
companion ladder
,
companion piece
,
companion planting
,
companion set
,
companion star
,
companion vein
,
companionable
,
companionate
,
companionate marriage
,
companionship