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dark ground illumination

 

Definitions from WordNet

Noun dark ground illumination has 1 sense
  1. dark ground illumination, dark field illumination - a form of microscopic examination of living material by scattered light; specimens appear luminous against a dark background
    --1 is a kind of microscopy

Definitions from the Web

Dark Ground Illumination

Noun: Dark ground illumination refers to a technique used in microscopy to enhance the visibility of transparent specimens. It involves illuminating the specimen with oblique light, while a dark background is used to enhance contrast.

Sample sentence: The use of dark ground illumination allowed the scientist to easily observe the transparent cells under the microscope.

Adjective: Dark ground illumination refers to a type of illumination technique that enhances the contrast in microscopy by using oblique light and a dark background.

Sample sentence: The microscope had a dark ground illumination feature, which made it perfect for studying highly transparent samples.

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