fade time noun3 •The amount of time for a scene to fade to dark after lighting up. •The amount of time for light or sound from a specified source to fade in from nothingness to the maximum that one is using, or to fade out from the maximum to nothingness.Omitting this parameter invokes a default fade time, which is 1,000 milliseconds. — 2015 •The time during which a wireless signal is too faint to be accurately received.The annual fade time is three times that occurring in a heavy fading month when the climate is average. — 2006 formsfade times