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leukosis

or leu·co·sis

[loo-koh-sis]
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noun Veterinary Pathology.
  1. any of several diseases occurring chiefly in chickens, involving proliferation of the leukocytes and characterized by paralysis, blindness, formation of tumors in the internal organs, and bone calcification.

Origin of leukosis

First recorded in 1700–10, leukosis is from the Greek word leúkōsis leucoma. See leuko-, -osis
Also called avian leukosis.
Related formsleu·kot·ic [loo-kot-ik] /luˈkɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
leukosis in Medicine

leukosis

(lōō-kōsĭs)
n.
  1. The abnormal proliferation of one or more of the leukopoietic tissues.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.