Doppler

Dopp·ler

adj \ˈdäp-lər\

Definition of DOPPLER

1

: of, relating to, or utilizing a shift in frequency in accordance with the Doppler effect

2

: of, relating to, using, or produced by Doppler ultrasound <a Doppler examination> <Doppler images>

Biographical Note for DOPPLER

Doppler, Christian Johann (1803–1853), Austrian physicist and mathematician. Doppler first described the Doppler effect in 1842. It is used in astronomical measurements and in radar and modern navigation. He also investigated the colors in double stars and the effect of rotation of objects on the properties of light and sound waves.