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Definition of 'pedometer'. pedometer. A pedometer is a device that measures the distance that someone has walked. ...a small pager with a built-in pedometer to count the number of steps its owner took. COBUILD Advanced English Dictionary.
In digital imaging, a pixel, pel, or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.The address of a pixel corresponds to its physical coordinates. megapixel (MP) is a million pixels; the term is used not only for the number of pixels in an image, but also to express the number of image sensor elements of digital cameras or the number of display elements of digital displays.