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ankylosis

[ang-kuh-loh-sis]
noun
  1. Pathology. abnormal adhesion of the bones of a joint.
  2. Anatomy. the union or consolidation of two or more bones or other hard tissues into one.

Origin of ankylosis

1705–15; < Greek: a stiffening of the joints. See ankylo-, -osis
Related formsan·ky·lot·ic [ang-kuh-lot-ik] /ˌæŋ kəˈlɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for ankylosis

ankylosis

anchylosis

noun
  1. abnormal adhesion or immobility of the bones in a joint, as by a direct joining of the bones, a fibrous growth of tissues within the joint, or surgery
Derived Formsankylotic or anchylotic (ˌæŋkɪˈlɒtɪk), adjective

Word Origin for ankylosis

C18: from New Latin, from Greek ankuloun to crook
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for ankylosis
n.

stiffening of joints after injury or surgery, alternative (and more etymological) spelling of anchylosis (q.v.).

Online Etymology Dictionary, © 2010 Douglas Harper
ankylosis in Medicine

ankylosis

[ăng′kə-lō′sĭs]
n.
  1. The stiffening or immobility of a joint resulting from disease, trauma, surgery, or bone fusion.
Related formsan′ky•lot′ic (-lŏt′ĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.