noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Light spectra shifted towards red, as by elongation of light waves from a source moving away from the detector.
2. 2
   (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 expanding wordnet

Synonyms

All synonyms

disarrangementdiscontinuitydisplacementredshiftremovalshift