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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Origin of blueshift

First recorded in 1950–55; blue + shift

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for blueshift

Clad in a blue, striped button-down, a silver watch adorning his left wrist, Huckabee beams on the cover.
Huckabee 2016: Bend Over and Take It Like a Prisoner!|Olivia Nuzzi|January 8, 2015|DAILY BEAST
Do you think that as we get older our thoughts shift to the more abstract, the music, than the definite, the lyrics?
Belle & Sebastian Aren’t So Shy Anymore|James Joiner|January 7, 2015|DAILY BEAST
Yeah, the “Giant man-puppy” that is Gronkowski won't hold a sexual candle to the blue-eyed dreamboat.
‘A Gronking to Remember’ Speed Read: 8 Naughtiest Bits|Emily Shire|January 7, 2015|DAILY BEAST
As Sutton shows in his book, the important shift took place gradually, from the end of the Civil War until World War II.
The Evangelical Apocalypse Is All Your Fault|Jay Michaelson|January 4, 2015|DAILY BEAST

GOP leaders refused; they saw that Duke was pulling blue-collar Democrats to the party.
The Louisiana Racists Who Courted Steve Scalise|Jason Berry|January 3, 2015|DAILY BEAST
In pursuing his alchemical researches, he discovered Prussian blue, and the animal oil which bears his name.
The Every Day Book of History and Chronology|Joel Munsell
Mary is fair as the morning dew— Cheeks of roses and ribbons of blue!
Boys and Girls Bookshelf; a Practical Plan of Character Building, Volume I (of 17)|Various
His nose was hooked and rather large, his eyes were blue, bright as steel, and set a trifle wide.
St. Martin's Summer|Rafael Sabatini
The most promising of the methods which have been devised are cryoscopy, the methylene-blue test, and the phloridzin test.
A Manual of Clinical Diagnosis|James Campbell Todd
He said no more in words, but his little blue eyes had an eloquence that left nothing to mere speech.
St. Martin's Summer|Rafael Sabatini

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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for blueshift

blue shift

See under Doppler effect.

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blueshift

or blue shift

noun Astronomy.

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QUIZ YOURSELF ON AFFECT VS. EFFECT!

Origin of blueshift

Example sentences from the Web for blueshift

British Dictionary definitions for blueshift

noun

Scientific definitions for blueshift