Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A decrease in the wavelength of a photon or of light, corresponding to a higher frequency and a shift toward the blue end of the electromagnetic spectrum.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Qualifier: relativity
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: redshift
verb
(ergative) (said of light or a photon) To shift toward the blue end of the electromagnetic spectrum; to change to a shorter wavelength and a higher frequency.
Definition source: English Wiktionary via Wiktextract
Qualifier: relativity
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: redshift
History
From blue + shift.
Across languages
20 source translations are retained for this English entry.
