grayscale

About 0.27 uses per million words.

Meaning

1. noun A printed strip of graduated tones used to check exposure and development times.
2. noun The use of black and white, representing color with shades of gray.
3. adjective Black and white, representing color with shades of gray.
4. verb To convert to grayscale.

Similar words

greyscale back gray chromotype rotograph shirley card colortype film stock colour bar photogravure chip chart

Often followed by

image images and mode or values value to color