- The temporary covering of areas adjacent to those to which paint is to be applied. Masking is applied either by sticking something on, as with masking tape, or by covering with a firm mask.
- The use of a mask.
- The amount by which the threshold of hearing a sound is increased due to the presence of another, obscuring sound. The level of masking is usually expressed in decibels. Also called masking effect (1), audio masking, or aural masking.
- The manner in which a signal, property, or phenomenon is obscured by another. Also, the extent to which this occurs. Also called masking effect (2).
(written as Masking)