doppler : Idioms & Phrases
christian johann doppler
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noun Austrian physicist famous for his discovery of the Doppler effect (1803-1853)
Doppler.
WordNet
doppler effect
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noun change in the apparent frequency of a wave as observer and source move toward or away from each other
Doppler effect.
WordNet
doppler radar
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noun radar that uses the Doppler shift to measure velocity
WordNet
doppler shift
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noun change in the apparent frequency of a wave as observer and source move toward or away from each other
Doppler effect.