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blueshift

 - 1 dictionary result

blue⋅shift

  [bloo-shift]
Use blueshift in a Sentence
–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.
Also, blue shift.

Origin:
1950–55; blue + shift
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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