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orthosis

American  
[awr-thoh-sis] / ɔrˈθoʊ sɪs /

noun

plural

orthoses

  1. Medicine/Medical. the correction of orthopedic maladjustments.

  2. an orthotic.

orthosis British  
/ ɔːˈθəʊsɪs /

noun

  1. 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

Etymology

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.