Definition of “Doppler effect” - English Dictionary

british dictionary

(Definition of “Doppler effect” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“Doppler effect” in American English

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Doppler effectnoun [ U ]

us /ˈdɑp·lər ɪˌfekt/

physics a change that someone experiences in the frequency of waves, for example, of sound or light, when the distance between that person and the origin of the waves changes

(Definition of “Doppler effect” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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