Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An increase in the wavelength of radiation emitted by a celestial body as a consequence of the Doppler effect.
Wiktionary
- n. astronomy Light spectra shifted towards red, as by elongation of light waves from a source moving away from the detector.
WordNet 3.0
- n. (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
Etymologies
- From the fact that the longer wavelengths of light are at the red end of the visible spectrum. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
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Lists
These user-created lists contain the word ‘red shift’.
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red phrases /words
how red is used
bushy red mint, California red scale, dark red silver ore, down the red lane, Florida red scale, in red, in the red, in (the) red row, Knights of the Re..., light red silver ore, old red lammas, on red and 764 more...
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parody's Words
defenestrate, behemoth, floss, macchiato, glom, emu, alpaca, crocheted, ampersand, charade, conflate, salacious and 193 more...
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chromatic phrases
blue movie, brown study, purple prose, rosy scenario, golden mean, eminence grise, white nights, bronze age, silver bullet, orange juice, black death, technicolor yawn and 188 more...
Tweets
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bilby yellow shift Sep 1, 2008