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dark-field

[ dahrk-feeld ]

adjective

, Optics.
  1. of or relating to the illumination of an object by which it is seen, through a microscope, as bright against a dark background.


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Word History and Origins

Origin of dark-field1

First recorded in 1860–65
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Example Sentences

For this video, Kristiansen visualized his own blood cells with a microscopy technique called dark-field illumination—which is why the cells appear goldenish on a black background rather than red on a white background.

Similarly coloured regions correspond to areas with the same crystallographic orientation/thickness. h, Demonstration of the procedure for obtaining dark-field images of the grown seeds.

From Nature

Similarly coloured regions correspond to areas with the same crystallographic orientation/thickness. h, Demonstration of the procedure for obtaining dark-field images of the grown seeds.

From Nature

Substantial scattering can thus be expected to occur from the nanoantennas, as confirmed by the dark-field optical images shown in .

From Nature

This is a dark-field image, highlighting surface details.

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dark-eyed juncodark-field illumination