Definition of grayscale in English:

grayscale

Syllabification: gray·scale
Pronunciation: /ˈgrāˌskāl
 
/

noun

Computing
  • A range of gray shades from white to black, as used in a monochrome display or printout: [as modifier]: a grayscale scanner
    More example sentences
    • Unfortunately, we didn't have a colorimeter handy, so couldn't verify the actual setting across the grayscale range.
    • We therefore developed a method to extend the dynamic range of the BAM grayscale in a quantitative manner.
    • It produces a greyscale image and can refresh in about a second - far too slow to display moving images.

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a slit made by cutting with a saw