Library / English Dictionary

    RED SHIFT

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    (astronomy) a shift in the spectra of very distant galaxies toward longer wavelengths (toward the red end of the spectrum); generally interpreted as evidence that the universe is expandingplay

    Synonyms:

    red shift; redshift

    Classified under:

    Nouns denoting natural phenomena

    Hypernyms ("red shift" is a kind of...):

    propagation (the movement of a wave through a medium)

    Domain category:

    astronomy; uranology (the branch of physics that studies celestial bodies and the universe as a whole)

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