spectroscopic binary
noun Astronomy.
a binary star having components that are not sufficiently separated to be resolved by a telescope, known to be a binary only bythe variations in wavelength of emitted light that are detected by a spectroscope.
Nearby words
spectropolariscope, spectroradiometer, spectroscope, spectroscopic, spectroscopic analysis, spectroscopic binary, spectroscopist, spectroscopy, spectrum, spectrum analyser, spectrum analysis
Compare visual binary.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Science definitions for spectroscopic binary
spectroscopic binary
[ spĕk′trə-skŏp′ĭk ]
See under binary star.
The American Heritage® Science Dictionary
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