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