Definition of sound effect noun from the Oxford Advanced Learner's Dictionary

 

sound effect

 noun
noun
BrE
 
; NAmE
 
[usually plural] Computer software, Film reviews and promotion
 
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a sound that is made artificially, for example the sound of the wind or a battle, and used in a film/movie, play, computer game, etc. to make it more realistic Wordfinderactor, cameraman, cinema, dialogue, director, dub, film, location, scenario, sound effect See related entries: Computer software, Film reviews and promotion
See the Oxford Advanced American Dictionary entry: sound effect