homochromia

Noun

homochromia (uncountable)

1. (rare) The use, by an organism, of the same colour as its background or other form of camouflage as a means of protection.
   • Lastly, the same holds good of mimetic parasitism; for at the climax of that process we have the elaborate imitation of the living organism, then of its cadaver or its excreta, till, finally, we arrive at homochromia, that is, the adoption by certain animals of the prevailing colour of their...1895, Jean Massart & Émile Vandervelde, Parasitism, Organic and Social (trans. William Macdonald and J. Arthur Thomson), Swan Sonnenschein & Co. Limited (1895), pages 16-17
   • Mimetic homochromia consists not only of imitation of the colour and texture of the environment or of other spp (animal or plant), but also involves Imitation of their behaviour, immobility being the best known example, especially in otherwise conspicuous spp.1975, Animal Behaviour Abstracts, volume 3, page 201
2. The anatomical state in which the same pigmentation or coloring occurs in the eyes, skin or hair.