countershading

noun

coun·​ter·​shad·​ing ˈkau̇n-tər-ˌshā-diŋ How to pronounce countershading (audio)
: cryptic coloration of an animal with parts normally in shadow being light and parts normally illuminated being dark thereby reducing shadows and contours

Examples of countershading in a Sentence

Recent Examples on the Web
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The latter, which is most common, features a pattern called countershading, in which the fish has a black back and a white belly. National Geographic, 11 Feb. 2020 Tree kangaroos show countershading, Holtz says, and the forest-dwelling raccoon dogs wear color patterns much like Sinosauropteryx. Brian Switek, Smithsonian, 26 Oct. 2017 Kaye, Pittman and others revealed that the dinosaur’s topside was darker than its underside and tail; a physical feature called ‘countershading’ and associated with camouflage in modern animals. Jon Tennant, Discover Magazine, 20 Dec. 2016 The study of fossilized pigments has continued to expose new information about prehistoric life, hinting at potential animal survival strategies by showing evidence of countershading and camouflage. Jay Bennett, Smithsonian Magazine, 6 May 2012

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of countershading was in 1896

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Cite this Entry

“Countershading.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/countershading. Accessed 9 Sep. 2025.

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