Definition of countershading in English:

countershading

Syllabification: coun·ter·shad·ing
Pronunciation: /ˈkoun(t)ərˌSHādiNG
 
/

noun

Zoology
Protective coloration of some animals in which parts normally in shadow are light and those exposed to the sky are dark.
More example sentences
  • We therefore report two experiments designed to test whether countershading enhances protection by diminishing the probability of detection by predators.
  • Because countershading is thought to aid in concealment by reducing shadow in well-lit environments, the hypothesis is partially supported despite no significant associations with other open environments.
  • The countershading of their body is a protective camouflage.

Derivatives

countershaded

Pronunciation: /-ˌSHādid/
adjective
More example sentences
  • Comparisons across all countershaded artiodactyls similarly revealed an association with desert-dwelling.
  • This strongly suggests that for these birds at this point in the experiment, countershaded baits really were least readily detected when placed against a color-matching substrate.
  • It also explains why the coloration of deep-sea species is essentially uniform rather than countershaded, since bioluminescent searchlights may strike the animal from any angle.

Definition of countershading in:

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adjective
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