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eclipsing variable

noun, Astronomy.
a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system.
Also called eclipsing binary.
Origin of eclipsing variable
First recorded in 1920-25; eclipse + -ing2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for eclipsing binary
Historical Examples
  • It is virtually certain that RR Centauri is a case of an eclipsing binary system, and that the two stars are close together.

    Darwin and Modern Science A.C. Seward and Others
British Dictionary definitions for eclipsing binary

eclipsing binary

a binary star whose orbital plane lies in or near the line of sight so that one component is regularly eclipsed by its companion See also variable star
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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eclipsing binary in Science
eclipsing binary
See under binary star.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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