s/n11512992

Information
has gloss	(noun) the movement of a wave through a medium propagation
lexicalization	eng: propagation
subclass of	(noun) a natural phenomenon involving the physical properties of matter and energy physical phenomenon
has subclass	(noun) change in the apparent frequency of a wave as observer and source move toward or away from each other Doppler effect, Doppler shift
has subclass	(noun) (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 redshift, red shift
has subclass	(noun) all the points just reached by a wave as it propagates wave front