Doppler
pronunciation
How to pronounce Doppler in British English: UK [ˈdɔplə]
How to pronounce Doppler in American English: US [ˈdɑplɚ]
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- Noun:
- Austrian physicist famous for his discovery of the Doppler effect (1803-1853)
Word Origin
- 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. The surname is literally "Gambler."
Example
- 1. He says the group depends on satellites , doppler radar and hundreds of rain gauges across the country .
- 2. Next year 's model will have a doppler sonar to help it avoid high-speed collisions with unsuspecting swimmers .
- 3. India 's government is beginning to act , by setting up new doppler radar stations to track weather systems over mountains .
- 4. This exploits the doppler effect familiar when a siren changes pitch as the fire engine on which it is mounted speeds past you .
- 5. Analysis of the characteristics of transcranial doppler in brain death children .