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