Definitions for "Bitonal"
Keywords:  black, pixel, lineart, white, shades
"An image with two tones of color
Term for bitmaps that only consist of black and white information.
Black and white, with no shades of gray or color.
Keywords:  tonic, centers, keys, different, two
The use of two different keys, or tonic centers at the same time.
Keywords:  level, see
See bi-level.