companion star
Americannoun
Etymology
Origin of companion star
First recorded in 1775–85
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
These changes are linked to a dense wake formed by the companion star.
From Science Daily ● Jan. 10, 2026
The newly detected wake provides the strongest proof yet that a companion star is actively disturbing the atmosphere of this red supergiant.
From Science Daily ● Jan. 10, 2026
They have identified a companion star that repeatedly passes through the same region where this unusually hot dust remains.
From Science Daily ● Dec. 17, 2025
The companion star travels far from the system before plunging back through the dust-filled inner region.
From Science Daily ● Dec. 17, 2025
This remarkable variable has a dark companion star revolving near it obscuring its light in part from us at stated intervals.
From A Field Book of the Stars by Olcott, William Tyler
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
