Definition of defocus in English:

defocus

Line breaks: de|focus
Pronunciation: /diːˈfəʊkəs
 
/

verb (defocuses, defocusing, defocused or defocusses, defocussing, defocussed)

[with object]
1Cause (an image, lens, or beam) to go out of focus: the filter lets you defocus all or part of an image (as adjective defocused) progressively defocused and focused binoculars
More example sentences
  • If the surgeon needs coagulation, the laser operator increases the distance from the tissue or defocuses the beam, enlarging the spot size and using low wattage.
  • For the famous penultimate scene of Vera's ‘accidental’ murder, the camera seems to crawl inside Roberts' head as he surveys the room where this happened, with the lens alternately focusing and defocusing on various objects.
  • Klouda takes one image with her camera, which is sharply focused, and a second image that is defocused in the direction that makes the image larger rather than smaller, which she says creates a ‘glowing effect.’
1.1 [no object] Go out of focus: the view defocused, then resolved
More example sentences
  • In its defocused and condensed form, the image can more readily be resolved into areas with uniform tonal and chromatic values, and the thresholds established at which these values change.
1.2Cause to be less clearly defined: defocusing the traditional contract approach in business
More example sentences
  • Says a spokeswoman: ‘We're not defocusing, just extending our brand.’
  • The company has defocused on its planned release of its third generation platform because it says operators are more keen to avoid a two-step upgrade.
  • Companies which defocus when they diversify probably do not have very good products to begin with, or good product engineers.

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