Speakur

Word Pronunciation & Dictionary

redshift

/ˈɹɛdˌʃɪft/

Word Rarity Very rare

Frequency: Zipf frequency 2.46 in modern English

Syllables
red-shift
IPA
/ˈɹɛdˌʃɪft/
15
Scrabble Score
8
Letters
2
Syllables
8
Unique Chars

Meaning

noun

An increase in the wavelength of a photon or of light while in transit, corresponding to a lower frequency and a shift toward the red end of the electromagnetic spectrum.

Countable; Uncountable

verb

(ergative) (said of light or a photon) To shift toward the red end of the electromagnetic spectrum while in transit; to change to a longer wavelength and a lower frequency.

Etymology

From red + shift.

Usage

Inflected Forms

redshifts (plural) red shift (alternative) redshifts (present, singular) redshifting (participle, present) redshifted (participle, past) redshifted (past)

Derived Forms

redshifted

Phrases

cosmological redshift gravitational redshift Doppler effect

Frequently Paired Words

Doppler effect

Synonyms

red shift

Antonyms

blueshift

Questions

How do you pronounce redshift?
The recorded pronunciation is /ˈɹɛdˌʃɪft/.
What does redshift mean?
An increase in the wavelength of a photon or of light while in transit, corresponding to a lower frequency and a shift toward the red end of the electromagnetic spectrum.
Where does redshift come from?
From red + shift.

How to pronounce redshift

  1. Open the pronunciation page — Open the Speakur entry for “redshift”.
  2. Read the phonetic spelling — Read the IPA spelling (/ˈɹɛdˌʃɪft/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “redshift”.
  4. Repeat and practice — Say “redshift” aloud, matching stress and vowels until it feels natural.