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fade-out

EnglishOxford New American Dictionary

fade-out /ˈfād ˌout, ˈfeɪd ˌaʊt

▸ noun a filmmaking and broadcasting technique whereby an image is made to disappear gradually or the sound volume is gradually decreased to zero:

the fade-out before each ad break.

▪ a gradual and temporary loss of a broadcast signal:

radio fade-outs.

fade-out — ONAD · Shobdo