dark-field microscope
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dark-field microscope — n ULTRAMICROSCOPE dark field microscopy n … Medical dictionary
dark-field microscope — n. ULTRAMICROSCOPE … English World dictionary
Dark-field microscope — A dark field microscope is a type of microscope in which objects are illuminated at a very low angle from the side so that the background appears dark and the objects show up against this dark background. External links *… … Wikipedia
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
dark-field microscope — A microscope (device used to magnify small objects) in which objects are lit at a very low angle from the side so that the background appears dark and the objects show up against this dark background … English dictionary of cancer terms
dark-field microscope — noun Date: 1926 ultramicroscope … New Collegiate 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
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
