DictionarymatteImage mask
noun

matte

A mask controlling which parts of an image are exposed or combined.

The editor created a matte around the actor.

Etymology

Matte already described a dull, nonreflective surface. Image-making adopted the word for masking arrangements that block selected areas while other parts are exposed or combined.

More examples

  • The matte separated the foreground from the replacement background.
  • A carefully drawn matte controlled the visible area.
  • The software refined the matte’s edges.

Forms

matte · mattes

Similar words

mask
Mask is the broader editing term; a matte defines which image areas remain visible or combine with others.
alpha channel
An alpha channel stores transparency information; a matte supplies a mask used to control compositing.