blueshift
or blue shift
[ bloo-shift ]
/ ˈbluˌʃɪft /
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noun Astronomy.
a shift toward shorter wavelengths of the spectral lines of a celestial object, caused by the motion of the object toward the observer.
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Example sentences from the Web for blueshift
British Dictionary definitions for blueshift
blueshift
/ (ˈbluːˌʃɪft) /
noun
a shift in the spectral lines of a stellar spectrum towards the blue end of the visible region relative to the wavelengths of these lines in the terrestrial spectrum: a result of the Doppler effect caused by stars approaching the solar systemCompare redshift
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Scientific definitions for blueshift
blue shift
See under Doppler effect.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.