plural of surgical mask

A small, often rounded mask covering only the eyes and the space between them.

plural of Jason mask

plural of procedure mask

plural of domino mask

plural of sleep mask

plural of mask shell

(television) A plate punched with tiny holes that separate the coloured phosphors in the layer behind the front glass of the screen. Three electron guns at the back of the screen sweep across the mask, with the beams only reaching the screen if they pass through the holes.

plural of shadow mask

plural of finger mask