Definitions Found:
FADEIN, a gradual increase in the brightness of an image
- fadeinsFADEIN, a gradual increase in the brightness of an image
- fadeina gradual increase in the brightness of an image
- magnitudesThe degree of brightness of a star. The magnitude of an astronomical object is now reckoned as the negative logarithm of the brightness; a decrease of one magnitude represents an increase in brightness of 2.512 times. A star with an apparent magnitude of six is barely visible to the naked eye