unwanted or harmful light, as from bright street lights or neon signs.
Astronomy. artificial illumination of the sky that sets a limit on the faintness of stars that can be observed or photographed.
the glow from street and domestic lighting that obscures the night sky and hinders the observation of faint stars
[lahyt-proof] /ˈlaɪtˌpruf/ adjective 1. impervious to : a lightproof film cartridge.
- Light rain
noun precipitation falling with an intensity of between a trace and 0.10 inches (0.25 cm) per hour Examples Light rain is predicted on the day of the wedding.
- Light reaction
noun 1. (botany) the stage of photosynthesis during which light energy is absorbed by chlorophyll and transformed into chemical energy stored in ATP Compare dark reaction light reaction Any of the chemical reactions that take place during the first stage of photosynthesis and require the presence of light. During the light reactions, energy captured from […]
- Light sculpture
noun a three-dimensional piece of art that uses light bulbs, the sun, or another light source as the primary medium of expression Examples This hanging light sculpture looks interesting from any angle, and makes nice shadows.