Also orthosis. a device or support, especially for the foot, used to relieve or correct an orthopedic problem.


of or relating to orthotics.

Nearby words

  1. orthostatic,
  2. orthostatic hypotension,
  3. orthostatic proteinuria,
  4. orthostichy,
  5. orthostyle,
  6. orthotics,
  7. orthotist,
  8. orthotone,
  9. orthotonos,
  10. orthotopic

Origin of orthotic

1960–65; adj. derivative of orthosis (on the model of psychosis: plychotic, etc.); see -tic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for orthotic




Of or relating to orthotics.


An orthopedic appliance designed to straighten or support a body part.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.