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eclipsing binary

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Eclipsing Binaries
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eclipsing variable

 
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–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:
1920–25; eclipse + -ing 2
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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Eclipsing Binaries
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e·clips·ing binary   (ĭ-klĭp'sĭng)   
n.  A binary star whose components pass in front of each other, thereby causing a regular eclipse of one of the stars.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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