achromatic colours

ахроматичен цвят
тлв.
безцветен оттенък

English-Bulgarian polytechnical dictionary . 2013.

Look at other dictionaries:

  • achromatic — ► ADJECTIVE 1) transmitting light without separating it into colours. 2) without colour …   English terms dictionary

  • achromatic — adj. Optics 1 that transmitts light without separating it into constituent colours (achromatic lens). 2 without colour (achromatic fringe). Derivatives: achromatically adv. achromaticity n. achromatism n. Etymology: F achromatique f. Gk… …   Useful english dictionary

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  • achromatic — [ˌakrə(ʊ) matɪk] adjective 1》 relating to or denoting lenses that transmit light without separating it into constituent colours. 2》 without colour. Derivatives achromaticity noun achromatism noun Origin C18: via Fr. from Gk a without +… …   English new terms dictionary

  • achromatic lenses — lenses that are specially designed for use in the eyepieces of microscopes and other scientific instruments. They give clear images, unblurred by the coloured fringes that are produced with ordinary lenses (caused by splitting of the light into… …   The new mediacal dictionary

  • colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …   Universalium

  • Grey — For other uses, see Grey (disambiguation). Achromatic redirects here. For other uses, see Achromatic (disambiguation). Grey/Gray   Common connotations  …   Wikipedia

  • tristimulus system — ▪ colour  a system for visually matching a colour under standardized conditions against the three primary colours red, green, and blue; the three results are expressed as X, Y, and Z, respectively, and are called tristimulus values.       For… …   Universalium

  • painting — /payn ting/, n. 1. a picture or design executed in paints. 2. the act, art, or work of a person who paints. 3. the works of art painted in a particular manner, place, or period: a book on Flemish painting. 4. an instance of covering a surface… …   Universalium

  • Color theory — For the American electronica/synthpop musician, see Color Theory. In the visual arts, color theory is a body of practical guidance to color mixing and the visual impacts of specific color combinations. Although color theory principles first… …   Wikipedia

  • microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …   Universalium

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