blueshift
noun
blue·shift
ˈblü-ˈshift 
: the displacement of the spectrum of an approaching celestial body toward shorter wavelengths
Examples of blueshift in a Sentence
Recent Examples on the Web
Astronomers first studied faraway star surfaces by looking at the redshift or blueshift of light coming from the stars, a technique called Doppler imaging that reveals movement on the stars' surfaces.
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Jay Bennett, Popular Mechanics, 1 Feb. 2018
Jay Bennett, Popular Mechanics, 1 Feb. 2018
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'blueshift.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1933, in the meaning defined above
Dictionary Entries Near blueshift
Cite this Entry
“Blueshift.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blueshift. Accessed 16 Apr. 2024.
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