erythrism

American  

[ih-rith-riz-uhm, er-uh-thriz-uhm] / ɪˈrɪθ rɪz əm, ˈɛr əˌθrɪz əm /

noun

1. abnormal redness, as of plumage or hair.

---

erythrism British  

/ ɪˈrɪθrɪzəm, ˌɛrɪˈθrɪzməl /

noun

1. abnormal red coloration, as in plumage or hair

---

Other Word Forms

• erythrismal adjective
• erythristic adjective

Etymology

Origin of erythrism

First recorded in 1885–90; erythr- ( def. ) + -ism

Example Sentences

Experts have only recorded two other cases of erythrism in North American badgers, burrowing carnivores found in grasslands across the western and central U.S.,

From National Geographic

So far, erythrism has been identified in dozens of species, including reef manta rays, leopards, and European polecats.

From National Geographic

Erythrism is likely caused by a recessive genetic mutation that triggers an increased production of red pigmentation in areas of fur or skin that are typically black, such as the badger’s facial stripes.

From National Geographic

She said in some grasshoppers the unusual colouration is caused by a condition called erythrism, which causes the insect's body to produce too much red pigment, others are juveniles that will turn greener and browner as they get older.

From BBC

The cats are likely pink hued because of a genetic mutation called erythrism.

From Fox News