pixel pixel /ˈpɪksəl/

noun

1. (computing) the smallest discrete component of an image or picture on a CRT screen (usually a colored dot)  ( pel , picture element , pixel )
   (computing) the smallest discrete component of an image or picture on a CRT screen (usually a colored dot)
    The greater the number of pixels per inch the greater the resolution
   the greater the number of pixels per inch the greater the resolution