Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
redshift | Yes | No | No | No |
propagation | Yes | No | No | No |
redshift (noun) | propagation (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 | the act of producing offspring or multiplying by such production |
the spreading of something (a belief or practice) into new regions | |
the movement of a wave through a medium |