dark field
noun Date: 1865 the dark area that serves as the background for objects viewed in an ultramicroscope

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • dark field — n the dark area that serves as the background for objects viewed in an ultramicroscope dark field adj …   Medical dictionary

  • dark-field — dark′ field adj. opt of or pertaining to the illumination of an object by which it is seen, through a microscope, as bright against a dark background • Etymology: 1860–65 …   From formal English to slang

  • dark-field — ˈ ̷ ̷| ̷ ̷ adjective Etymology: dark field : producing, involving the use of, or relating to a dark field dark field illumination dark field examination see ultramicroscope * * * /dahrk feeld /, adj. Optics. of or pertaining to the illuminat …   Useful english dictionary

  • dark field — tamsusis laukas statusas T sritis fizika atitikmenys: angl. dark field vok. Dunkelfeld, n rus. затемненное поле, n pranc. champ noir, m; fond noir, m …   Fizikos terminų žodynas

  • dark-field — /dahrk feeld /, adj. Optics. of or pertaining to the illumination of an object by which it is seen, through a microscope, as bright against a dark background. [1860 65] * * * …   Universalium

  • dark field — noun : the dark area that serves as the background for objects viewed in an ultramicroscope …   Useful english dictionary

  • dark-field — see under microscope, and see ultramicroscope …   Medical dictionary

  • Dark field microscopy — (dark ground microscopy) describes microscopy methods, in both light and electron microscopy, which exclude the unscattered beam from the image. As a result, the field around the specimen (i.e. where there is no specimen to scatter the beam) is… …   Wikipedia

  • dark-field illumination — [därk′fēld′] n. the illumination of the field of a microscope by directing a beam of light from the side so that the specimen is seen against a dark background * * * …   Universalium

  • dark-field illumination — [därk′fēld′] n. the illumination of the field of a microscope by directing a beam of light from the side so that the specimen is seen against a dark background …   English World dictionary

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