DOPPLER EFFECT


Meaning of DOPPLER EFFECT in English

/ ˈdɒplər ɪfekt; NAmE ˈdɑːp-/ noun

[ sing. ] ( physics ) the way that sound waves, light waves, etc. change according to the direction that the source is moving in with relation to the person who is observing

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.