English Explanatory Dictionary

Doppler effect

English dictionary entry

Meanings

noun

The apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the waves.

Word forms

Doppler effect Doppler effects

Etymology

From Christian Andreas Doppler, the scientist who first proposed this effect.

Synonyms

Doppler shift

Related words

blueshifted redshifted

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