Doppler effect
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English
Etymology
From Johann Christian Andreas Doppler, the scientist who first proposed this effect.
Noun
Doppler effect (plural Doppler effects)
- The apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the waves.
- 2016, Ian McEwan, Nutshell, Vintage, page 85:
- Along the street, a delivery van’s pop music approaches and recedes with a faint Doppler effect, the cheerless band lifting and dipping a microtone.
Synonyms
Translations
change in frequency or wavelength
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