Greyscale is a term used to describe a range of shades between black and white. It refers to images, paintings, or photographs that have no colors and are made up of varying shades of gray. Full definition
This technology isn't ready to hit the television market just yet: it only displays images in greyscale and can't refresh them fast enough to show a film. (sciencedaily.com)
A mix of lyrical greyscale images, strange, disorienting experiences and flashes of modern - day behind - the - scenes moments, the result is an intriguing curio for English students or Kötting fans and an obtuse oddity for most others. (vodzilla.co)
The Reader - aka the PRS - 500 - sports a 6in, 170dpi, 600 x 800 four - level greyscale display based on technology developed by eInk. (theregister.co.uk)