Doppler

[ dop-ler ]
/ ˈdɒp lər /

noun

Christian Johann, 1803–53, Austrian physicist: discovered the Doppler effect.

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Example sentences from the Web for Doppler

Scientific 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.