n. (also Doppler shift) Physics an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move towards (or away) from each other.
Etymology: C. J. Doppler, Austrian physicist d. 1853
n. (also Doppler shift) Physics an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move towards (or away) from each other.
Etymology: C. J. Doppler, Austrian physicist d. 1853
Oxford English vocab. Оксфордский английский словарь. 2012