doppler effect

Dop·pler ef·fect

D d

Definitions of doppler effect words

noun doppler effect (often lowercase) the shift in frequency (Doppler shift) of acoustic or electromagnetic radiation emitted by a source moving relative to an observer as perceived by the observer: the shift is to higher frequencies when the source approaches and to lower frequencies when it recedes. 1
noun doppler effect a phenomenon, observed for sound waves and electromagnetic radiation, characterized by a change in the apparent frequency of a wave as a result of relative motion between the observer and the source 0
noun doppler effect the apparent change of frequency of sound waves or light waves, varying with the relative velocity of the source and the observer: if the source and observer are drawing closer together, the observed frequency is higher than the emitted frequency 0
noun doppler effect The apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the waves. 0

before 1900

One of the 17% newest English words

1900-05; named after C. J. Doppler (1803-53), Austrian physicist

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This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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