Doppler

[ dop-ler ]
/ ˈdɒp lər /
|

noun

Christian Johann,1803–53, Austrian physicist: discovered the Doppler effect.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Word Origin and History for doppler

Doppler


1871, in reference to Christian Doppler (1803-1853), Austrian scientist, who in 1842 explained the effect of relative motion on waves (originally to explain color changes in binary stars); proved by musicians performing on a moving train. Doppler shift is the change of frequency resulting from the Doppler effect.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for doppler

Doppler

[ dŏplər ]
Christian Johann 1803-1853

Austrian physicist and astronomer who in 1842 explained the effect, now named for him, of variations in the frequency of waves as a result of the relative motion of the wave source with respect to the observer.
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