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Doppler effect

Noun CEFR B2

Definitions

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

Equivalents

8 more languages

Examples

“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.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

Doppler radar Doppler shift Doppler sonar Doppler ultrasonography Doppler velocimetry dopplergram

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