defocus

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defocus

[dē′fō·kəs]
(engineering)
To make a beam of x-rays, electrons, light, or other radiation deviate from an accurate focus at the intended viewing or working surface.
References in periodicals archive ?
The Skopje-based US embassy told Radio Free Europe that "violence sabotages the legitimacy of the objectives and defocuses from the productive attempts to solve the issues.
Analyst Imer Ismaili says that the politicians' fuss defocuses the nation from the Census' true goal.