defocus

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de·fo·cus

 (dē-fō′kəs)
tr.v. de·fo·cused, de·fo·cus·ing, de·fo·cus·es or de·fo·cussed or de·fo·cus·sing or de·fo·cus·ses
To cause (a beam or a lens) to deviate from accurate focus.
n.
The act or result of causing a lens to deviate from accurate focus.

defocus

(diːˈfəʊkəs)
vb
formal to go or cause to go out of focus
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References in periodicals archive ?
A cataract is a "clouding" of the eye's natural lens, which results in blurred or defocused vision.
They didn't stop but you know when there's a political crisis it is normal for the prime minister to be defocused, to dedicate a part of his time to the management of that situation.
We shouldn't get distracted from the main issue and to be defocused with the membership negotiations in NATO and EU.
It is useful in shooting images including portrait or close-ups with impressively defocused background taking advantage of its high portability.
BlackBerry CEO John Chen is obviously doing the Toronto company some good as the company changed business strategies and defocused on the mobile and tablet markets and instead shifted to pushing its popular Messenger app as it also released minor updates to its BB10 mobile operating system.
The wide aperture combined with a seven-bladed iris diaphragm allows for easy creation of professional-looking photos with smooth, defocused backgrounds.
The choice between a fatigued treasury and an increasingly defocused Opposition is before the people.
1m , depending on the initial streamwise position, defocused while those closer to the vertical symmetry plane focused.
Finally, visuals may move their eyes into a defocused, blank stare.