Useful english dictionary. 2012.
ultraviolet light — noun radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays (Freq. 3) • Syn: ↑ultraviolet, ↑ultraviolet radiation, ↑ultraviolet illumination, ↑UV • Derivationally related forms: ↑ultraviolet … Useful english dictionary
ultraviolet radiation — noun radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays (Freq. 2) • Syn: ↑ultraviolet, ↑ultraviolet light, ↑ultraviolet illumination, ↑UV • Derivationally related forms: ↑ultraviolet … Useful english dictionary
ultraviolet photograph — Any photograph that records the document under ultraviolet illumination. With some of these the ultraviolet radiation strikes the film, but with others a filter is employed so that the only visual fluorescence caused by the ultraviolet is… … Forensic science glossary
Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… … Wikipedia
ultraviolet lamp — noun any source of illumination that emits ultraviolet radiation • Syn: ↑ultraviolet source • Hypernyms: ↑source of illumination • Hyponyms: ↑mercury vapor lamp … Useful english dictionary
ultraviolet source — noun any source of illumination that emits ultraviolet radiation • Syn: ↑ultraviolet lamp • Hypernyms: ↑source of illumination • Hyponyms: ↑mercury vapor lamp … Useful english dictionary
Over-illumination — This cosmetics store has lighting levels over twice recommended levels[1] Over illumination is the presence of lighting intensity (illuminance) beyond that required for a specified activity. Over illumination was commonly ignored between 1950 and … Wikipedia
Extreme ultraviolet lithography — (also known as EUV or EUVL ) is a next generation lithography technology using the 13.5 nm EUV wavelength. EUVL opticsEUVL is a significant departure from the deep ultraviolet lithography used today. All matter absorbs EUV radiation. Hence, EUV… … Wikipedia
source of illumination — noun any device serving as a source of visible electromagnetic radiation • Hypernyms: ↑device • Hyponyms: ↑lamp, ↑light, ↑light source, ↑ultraviolet lamp, ↑ultraviolet source … Useful english dictionary
photoengraving — /foh toh en gray ving/, n. 1. a photographic process of preparing printing plates for letterpress printing. 2. a plate so produced. 3. a print made from it. [1870 75; PHOTO + ENGRAVING] * * * Any of several processes for producing printing plates … Universalium
