object light

См. также в других словарях:

• Light-time correction — is a displacement in the apparent position of a celestial object from its true position (or geometric position ) caused by the object s motion during the time it takes its light to reach an observer.Light time correction occurs in principle… …   Wikipedia

• Light curtain — A light curtain is a device which uses an array of photoelectric sensors to detect the presence of an object. Light curtains are commonly used with industrial equipment to 1) ensure machine safety at a point of operation control, area access… …   Wikipedia

• Light cone — in 2D space plus a time dimension. A light cone is the path that a flash of light, emanating from a single event (localized to a single point in space and a single moment in time) and traveling in all directions, would take through spacetime. If… …   Wikipedia

• Light music — is a generic term applied to a mainly British musical style of light orchestral music, which originated in the 19th Century and had its heyday during the early to mid part of the 20th century, although arguably lasts to the present day. The style …   Wikipedia

• light — Ⅰ. light [1] ► NOUN 1) the natural agent that stimulates sight and makes things visible; electromagnetic radiation from about 390 to 740 nm in wavelength. 2) a source of illumination. 3) a device producing a flame or spark. 4) (lights) traffic… …   English terms dictionary

• light pen — ˈlight pen noun [countable] COMPUTING a special piece of equipment shaped like a pen, used to read printed computer codes on product labels: • The TX 2 uses a light pen to enter data straight on to the system. * * * light pen UK US noun [C] IT ►… …   Financial and business terms

• light bulb — light ,bulb noun count a glass object that you put in an electric light to produce light. A light bulb is often simply called a bulb …   Usage of the words and phrases in modern English

• light bulb — n ↑filament, ↑thread the glass object inside a lamp that produces light and has to be replaced regularly = ↑bulb …   Dictionary of contemporary English

• light|weight — «LYT WAYT», noun, adjective. –n. 1. a person, animal, or thing of less than average weight. 2. a boxer or wrestler who weighs 126 to 135 pounds. 3. Inrmal, Figurative. a person who has little intelligence, importance, or influence. –adj. 1. light …   Useful english dictionary

• light pen — light ,pen noun count COMPUTING an object shaped like a pen and used for touching a computer screen to give instructions to the computer …   Usage of the words and phrases in modern English

• light bulb — object made from a metal base and glass case (produces light when an electrical current is passed through it) …   English contemporary dictionary