monochromatic

If everything in your room is pink, your room is monochromatic — all of one color.

In physics, monochromatic describes light that has the same wavelength so it is one color. Broken into Greek roots, the word shows its meaning: monos means one, and khroma means color. Things that are truly monochromatic are rare — examine the green leaves of trees and you'll see lots of different shades.

Definitions of monochromatic
1

adj having or appearing to have only one color

Synonyms:
monochrome, monochromic, monochromous
colored, colorful, coloured
having color or a certain color; sometimes used in combination

adj (of light or other electromagnetic radiation) having only one wavelength

monochromatic light”
Synonyms:
homochromatic
Antonyms:
polychromatic
(of light or other electromagnetic radiation) composed of more than one wavelength

adj of or relating to monochromatism

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