astrometric binary
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noun Astronomy.
a binary star that can be recognized as such because of its undulating proper motion.
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Origin of astrometric binary
First recorded in 1975–80
Words nearby astrometric binary
astrol., astrolabe, astrology, astromancy, astrometeorology, astrometric binary, astrometry, astron., astronaut, astronautical, astronautics
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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Scientific definitions for astrometric binary
astrometric binary
[ ăs′trə-mĕt′rĭk ]
See under binary star.
The American Heritage® Science Dictionary
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