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leucism

American  
[loos-iz-uhm] / ˈlusˌɪz əm /

noun

  1. Zoology. in some animals, abnormally pale or blotchy coloring caused by a genetic mutation that reduces pigment in the skin, hair, feathers, or scales.


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Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The badger's appearance "was definitely abnormal coloration, but it didn't strike me as leucism."

From National Geographic • Feb. 12, 2024

A female penguin with leucism from the Gentoo species has been filmed at a base in Antarctica.

From BBC • Jan. 14, 2024

Though unusual, leucism in moose isn’t unheard of.

From Washington Post • Jan. 18, 2023

The two white giraffes in Kenya — spotted by rangers at the Hirola Conservation Program in early August — have a genetic condition called leucism.

From The Verge • Sep. 17, 2017

The unique eagle has leucism, which causes partial pigmentation loss in animals.

From Washington Times • Mar. 9, 2017

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