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orthosis

[ awr-thoh-sis ]
/ ɔrˈθoʊ sɪs /
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noun, plural or·tho·ses [awr-thoh-seez]. /ɔrˈθoʊ siz/.

Medicine/Medical. the correction of orthopedic maladjustments.
an orthotic.

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Origin of orthosis

1955–60; <Greek órthōsis a making straight, guidance, equivalent to orthō- (variant stem of orthoûn to straighten, verbal derivative of orthós straight) + -sis-sis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for orthosis

orthosis
/ (ɔːˈθəʊsɪs) /

noun plural -ses (-siːz)

an artificial or mechanical aid, such as a brace, to support or assist movement of a weak or injured part of the body
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

Medical definitions for orthosis

orthosis
[ ôr-thōsĭs ]

n. pl. or•tho•ses (-sēz)

An external orthopedic appliance that prevents or assists the movement of the spine or limbs.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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