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defocus

[ dee-foh-kuhs ]
/ di藞fo蕣 k蓹s /
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verb (used with object), de路fo路cused, de路fo路cus路ing or (especially British) de路fo路cussed, de路fo路cus路sing.
to cause loss of focus of: The slightest movement will defocus the microscope.
to interrupt or disturb (concentration, attention, etc.).
to disturb the concentration or awareness of (someone).
verb (used without object), de路fo路cused, de路fo路cus路ing or (especially British) de路fo路cussed, de路fo路cus路sing.
to lose or go out of focus.
to lose concentration or awareness; become distracted.
noun, plural de路fo路cus路es.
the result of defocusing, as a blurred photographic image.
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QUIZ YOURSELF ON "IS" VS. "ARE"
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IS and ARE are both forms of which verb?

Origin of defocus

First recorded in 1930鈥35; de- + focus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022
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