In British and some Commonwealth parliaments, a member of an opposition party, with responsibility for a particular portfolio.

plural of shadow minister

the process of accompanying and observing someone at work in order to train or to obtain insight

a senior group of opposition politicians who shadow the members of the government

Makeup that is applied to the eyelids and below the eyes to give a darker complexion there.

(meteorology) An area of diminished precipitation on the lee side of mountains.

plural of shadow mask

A puppet used in shadow play.

(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.

(programming) The use of one part of computer memory to store information about other parts of memory, used for example to keep track of which parts have been allocated by the program.