Doppler Meaning and Definition
Doppler
Pronunciation
/ˈdɒplər/
Part of Speech
Noun
Definition
A phenomenon in which the frequency of a wave changes as the source of the wave and the observer move relative to each other, commonly observed in sound or light waves.
Examples
- The car’s Doppler effect made the siren sound higher as it approached.
- The Doppler effect plays a crucial role in radar technology.
Synonyms
- Velocity effect
- Frequency shift
Antonyms
- Stationary wave
- Frequency constant
Additional Information
The Doppler effect is widely used in meteorology to calculate the velocity of storms and atmospheric waves. It is also used in medicine to measure blood flow and diagnose certain medical conditions.
The Doppler effect can be observed in various fields, including physics, engineering, and biology. It has numerous applications, including radar technology, sonar, and medical imaging.
Etymology
The term “Doppler” was named after Christian Doppler, an Austrian mathematician and physicist who first described the phenomenon in 1842.
Usage Notes
The Doppler effect is often used in meteorology to calculate the velocity of storms and atmospheric waves.
The frequency shift caused by the Doppler effect can be used to diagnose certain medical conditions, such as blood clots.
Cultural References
The Doppler effect has appeared in numerous scientific documentaries and films.
Idiomatic Expressions or Phrases
No known idiomatic expressions or phrases.
Related Words or Phrases
- Sonar
- Radar
- Frequency
- Velocity
Collocations
- Doppler shift
- Doppler effect in sound
- Doppler radar
Frequency of Use
The term “Doppler” is relatively rare in everyday conversation but is commonly used in scientific and technical contexts.
Common Misspellings
No known common misspellings.