masking

1. Physiology. The concealment or screening of one sensory process or sensation by another.
2. A piece of theatrical scenery used to conceal a part of the stage from the audience.

An opaque covering used to camouflage the metal or other parts of a prosthesis.

n. 1. screening or covering for concealing any military installation or operation.

2. in artillery fire, the interposition between the guns and the target of friendly troops or some terrain feature which poses the risk of hitting friendly troops or prevents observation or striking of the target.

See the Introduction, Abbreviations and Pronunciation for further details.

1. Preparing surfaces adjacent to paintwork with a temporary covering of masking tape, or tape plus paper, to keep them free of paint.
2. Screening off part of a theater stage from view of the audience.
3. The action of rendering one sound inaudible or unintelligible as the result of the presence of another (usually louder) one.

1. using a mask for administering a gaseous anesthetic.
2. covering part of an x-ray film, usually with lead, while the other part is being exposed.
3. see blinding.

• m. down — the use of a mask for inducing general anesthesia, using a gaseous anesthetic, followed by intubation.

Masking can mean:

• Applying or using a mask
• Masking (in art), protecting a desired area from change during production
• Materials used to protect portions of a work from unintended change, such as masking tape, frisket, and stencils
• Masking (illustration), an art technique that influences the intended perception of a character.
• Mask (computing), AND'ing or OR'ing a bit pattern with another bit pattern to select some bits
• Masking agent, a reagent used in chemical analysis which reacts with (thus sequestering) chemical species which may interfer in the analysis
• Auditory masking, when the perception of one sound is affected by the presence of another sound
  • Sound masking
  • Backward masking in psychovisual or psychoacoustics
• Backmasking, a recording technique in which a sound or message is recorded backward onto a track that is meant to be played forward

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