ERYTHRISM Meaning of ERYTHRISM in English [ 'ɛrɪθrɪz(ə)m ]■ noun Zoology a congenital condition of abnormal redness in an animal's fur, plumage, or skin.OriginC19: from Gk eruthros 'red' + -ism . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004