therapeutic exposure to full-spectrum artificial light that simulates sunlight, used to treat various conditions, as seasonal affective disorder.
[lahyt-tahyt] /ˈlaɪtˌtaɪt/ adjective, Chiefly British. 1. .
- Light trap
noun 1. any mechanical arrangement that allows some form of movement to take place while excluding light, such as a light-proof door or the lips of a film cassette
- Light treatment
light treatment n. See phototherapy.
noun, Electricity. 1. a light-transmitting device having transmissions that vary in accordance with an electric input, as voltage, current, or an electron beam, used chiefly for recording sound on motion-picture film.