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eclipsing variable

noun, Astronomy
1.
a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system.
Also called eclipsing binary.
Origin
1920-1925
1920-25; eclipse + -ing2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for eclipsing variable

eclipsing binary

noun
1.
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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