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definitions

akinesia

[ey-ki-nee-zhuh, -kahy-]
noun Pathology.
  1. absence, loss, or impairment of the power of voluntary movement.
Also a·ki·ne·sis [ey-ki-nee-sis, -kahy-, ey-kin-uh-sis] /ˌeɪ kɪˈni sɪs, -kaɪ-, eɪˈkɪn ə sɪs/.

Origin of akinesia

< New Latin < Greek akīnēsíā; see a-6, -kinesia
Related formsa·ki·net·ic [ey-ki-net-ik, -kahy-] /ˌeɪ kɪˈnɛt ɪk, -kaɪ-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
akinesis in Medicine

akinesia

[ā′kĭ-nē′zhə, -kī-]
n.
  1. A slowness or loss of normal motor function resulting in impaired muscle movement.
Related formsa′ki•ne′sic (-zĭk, -sĭk) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.