WORD MEANING
Doppler meaning
DOP-ler · noun
A change in frequency or wavelength of a wave in relation to an observer moving relative to the source of the wave.
See all 16 words from the July 27, 2026 puzzle →Other meanings
A device or instrument that uses the Doppler effect to measure velocity or distance, such as Doppler radar.
A surname of German origin.
An abbreviation for Director of Photography in filmmaking.
The term can refer to a scientific effect, a device, a person's name, or a professional title in film production.
Examples
The Doppler effect explains the change in frequency of a wave in relation to an observer moving relative to the source of the wave.
Meteorologists use Doppler radar to track storms and precipitation.