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.

Word History and Origins

Origin of dark-field¹

First recorded in 1860–65

Example Sentences

But she let herself be helped over the stile, and she walked in silence with him over the first dark field.

From Project Gutenberg

Then he stumbled out into the dark field, for there were no lights allowed because of the possibility of lurking Huns in the sky.

From Project Gutenberg

By glancing over his shoulder, the American saw its two curving strokes drawn in pale light against the dark field of seaweed.

From Project Gutenberg

She dreamed and sang over that dark field, and again and again appealed to him: "S'pose it shouldn't come up after all?"

From Project Gutenberg

Sand lightly, then apply a paste filler of a sufficiently dark shade to make a dark field for the brown Flemish.

From Project Gutenberg