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astrometric binary

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astrometric binary

–noun Astronomy.
a binary star that can be recognized as such because of its undulating proper motion.

Origin:
1975–80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Science Dictionary
astrometric binary   (ās'trə-mět'rĭk)  Pronunciation Key 
See under binary star.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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