dark field illumination

dark field illumination
noun
a form of microscopic examination of living material by scattered light; specimens appear luminous against a dark background (Freq. 1)
Hypernyms: ↑microscopy

Useful english dictionary. 2012.

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  • 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

  • dark-field illumination — «DAHRK FEELD», a system of illumination, used especially in an ultramicroscope, lighting the field from the side, making a light object on a dark background …   Useful english dictionary

  • dark-field illumination — tamsialaukis apšvietimas statusas T sritis fizika atitikmenys: angl. dark field illumination vok. Dunkelfeldbeleuchtung, f rus. освещение на темном поле, n; темнопольное освещение, n pranc. éclairage à fond noir, m; éclairage sur fond obscur, m …   Fizikos terminų žodynas

  • dark ground illumination — noun a form of microscopic examination of living material by scattered light; specimens appear luminous against a dark background • Syn: ↑dark field illumination • Hypernyms: ↑microscopy …   Useful english dictionary

  • Dark-field illumination — Темнопольное освещение (при контроле растровых элементов) …   Краткий толковый словарь по полиграфии

  • 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-ground illumination — noun (biology) A method for the microscopic examination of living material by scattered light, specimens appearing luminous against a dark background (cf ↑bright field illumination) • • • Main Entry: ↑dark …   Useful english dictionary

  • 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 microscope — noun light microscope that uses scattered light to show particles too small to see with ordinary microscopes • Syn: ↑ultramicroscope • Derivationally related forms: ↑ultramicroscopic (for: ↑ultramicroscope) • Hypernyms: ↑ …   Useful english dictionary

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