English-Russian vocabulary of international lighting . 2014.
actinic rays — n pl radiation (as in the violet and ultraviolet parts of the spectrum) having marked photochemical action * * * light rays that produce chemical changes. In general, light rays have more of this property the farther they are from the center of… … Medical dictionary
actinic ray — noun electromagnetic radiation that can produce photochemical reactions • Syn: ↑actinic radiation • Hypernyms: ↑electromagnetic radiation, ↑electromagnetic wave, ↑nonparticulate radiation • Hyponyms: ↑ … Useful english dictionary
Color photography — Color film redirects here. For the motion picture equivalent, see Color motion picture film. A circa 1850 Hillotype photograph of a colored engraving. Long believed to be a complete fraud, recent testing found that Levi Hill s process did… … Wikipedia
Serendipity — is the effect by which one accidentally discovers something fortunate, especially while looking for something else entirely. The word has been voted as one of the ten English words that were hardest to translate in June 2004 by a British… … Wikipedia
printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… … Universalium
Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism … Wikipedia
ultraviolet — Denoting electromagnetic rays at higher frequency than the violet end of the visible spectrum. u. A (UVA) u. radiation from 320 to 400 nm that causes skin tanning but is very weakly sunburn producing and carcinogenic. u. B (UVB) u. radiation from … Medical dictionary
Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars … Wikipedia
ray — 1. A beam of light, heat, or other form of radiation. The rays from radium and other radioactive substances are produced by a spontaneous disintegration of the atom; they are electrically charged particles or electromagnetic waves of extremely… … Medical dictionary
Screen-printing — is a printing technique that uses a woven mesh to support an ink blocking stencil. The attached stencil forms open areas of mesh that transfer ink as a sharp edged image onto a substrate. A roller or squeegee is moved across the screen stencil… … Wikipedia
