doppler

/ˈdɒplər/

Definitions

1. noun

A person or device that detects and measures the frequency shift of sound waves as a source of sound moves towards or away from the observer, typically used in meteorology to track storms and weather systems.

“The Doppler radar system helped forecasters track the path of the tornado and issue timely warnings to residents in the affected areas.”

2. verb

To detect and measure the frequency shift of sound waves as a source of sound moves towards or away from the observer, typically used in meteorology to track storms and weather systems.

“The meteorologists used Doppler radar to track the movement of the low-pressure system and predict its impact on the region.”

Synonyms

  • radar
  • scanner

Antonyms

  • fixed
  • stationary