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zoom

   Also found in: Dictionary/thesaurus, Medical, Financial, Acronyms, Idioms, Wikipedia 0.01 sec.
zoom
To change from a distant view to a more close-up view (zoom in) and vice versa (zoom out). An application may provide fixed or variable levels of zoom. A display adapter may also have built-in zoom capability.
zoom [züm]
(engineering)
To enlarge or reduce the size of an image in an optical system or electronic display.
(graphics)zoom - To show a smaller area of an image at a higher magnification ("zoom in") or a larger area at a lower magnification ("zoom out"), as though using a zoom lense on a camera.

Unlike in an optical system, zooming in on a computer image does not necessarily increase the amount of detail displayed since this is limited by what is actually stored in the image. Similarly, you cannot zoom out beyond the full size of the image.
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