Doppler shift


: a change in frequency of an electromagnetic radiation caused by the motions of the atoms, molecules, or nuclei in the line of sight
: the slight displacement in the positions of the spectrum lines of light from a star or other celestial body due to the Doppler effect

Word History


after C.J.Doppler

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Dictionary Entries Near Doppler shift

Cite this Entry

“Doppler shift.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2023.

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