• synonyms


See more synonyms for athetosis on Thesaurus.com
noun Pathology.
  1. a condition, chiefly in children, of slow, involuntary, wormlike movements of the fingers, toes, hands, and feet, usually resulting from a brain lesion.
Show More

Origin of athetosis

1870–75; < Greek áthet(os) not placed (a- a-6 + thetós, equivalent to the- (stem of tithénai to set, put) + -tos verbid suffix) + -osis
Related formsath·e·to·sic, ath·e·tot·ic [ath-i-tot-ik] /ˌæθ ɪˈtɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for athetosis

Historical Examples

  • More unusual is the rhythmical closing and opening of the hand, successively, of athetosis.

    A System of Practical Medicine by American Authors, Vol. I


British Dictionary definitions for athetosis


  1. pathol a condition characterized by uncontrolled rhythmic writhing movement, esp of fingers, hands, head, and tongue, caused by cerebral lesion
Show More
Derived Formsathetoid, adjective

Word Origin

C19: from Greek athetos not in place, from a- 1 + tithenai to place
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 athetosis


1871, from Greek athetos "not fixed, without position or place, set aside" + -osis. Coined by U.S. nerve specialist William Alexander Hammond (1828-1900).

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

athetosis in Medicine


  1. A constant succession of slow, writhing, involuntary movements of flexion, extension, pronation, and supination of fingers and hands, and sometimes of toes and feet.
Show More
Related formsathe•toid′ null null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.