1) Austrian physicist 2) Christian johann doppler 3) Kind of radar 4) Physicist 5) Satirical novel 6) Type of radar 
[crater] Doppler is a lunar impact crater named for Christian Doppler that is located at the southern edge of the walled plain Korolev, on the far side of the Moon. To the east are the craters Das and Galois. Farther to the southwest of Doppler is Mohorovičić. The rim of Doppler has a somewhat polygonal form, and a smaller crater is joine...
A non-invasive study that uses sound waves to show the flow in a blood vessel and can be used to determine the degree of narrowing (percent stenosis) of the vessel. A wand is placed on the skin over the vessel that is to be imaged. This study has no risks and is not painful.
This is a small handheld machine that picks up your baby's heartbeat by ultrasound.
The use of an augmented listening device for the purpose of detecting the pulse in an extremity. Use in the evaluation of peripheral (occlusive) vascular disease. ... (27 Sep 1997) ... 
A handheld ultrasound
Type: Term Pronunciation: dop′lĕr Definitions: 1. A diagnostic instrument that emits an ultrasonic beam into the body; the ultrasound reflected from moving structures changes its frequency (Doppler effect). Of diagnostic value in peripheral vascular and cardiac disease.
A machine that uses ultrasound to detect the fetal heart.
[n] - Austrian physicist famous for his discovery of the Doppler effect (1803-1853)
A scientist who discovered why the pitch changes as a sound passes an observer
Christian Johann Doppler noun Austrian physicist famous for his discovery of the Doppler effect (1803-1853)
A machine that uses ultrasound (sound waves) to detect the fetal heart.
A handheld ultrasound device that is used in pregnancy to amplify the sound of a fetus's heartbeat while in utero.