D defs.my
Entry 1 sense Webster, 1913

Coloration

/kŭlˌ-ẽr-āsh'-ən/ · Col·or·a·tion · IPA /kˌʌlərˈeɪʃən/
01 n. The act or art of coloring; the state of being colored.
  1. 1.
    The act or art of coloring; the state of being colored.
    “The females . . . resemble each other in their general type of coloration.” Darwin.