or·​tho·​sis | \ ȯr-ˈthō-səs How to pronounce orthosis (audio) \
plural orthoses\ ȯr-​ˈthō-​ˌsēz How to pronounce orthoses (audio) \

Definition of orthosis

Examples of orthosis in a Sentence

Recent Examples on the Web There are a few different reasons why your child’s pediatrician might recommend helmet-molding therapy (sometimes referred to as cranial orthosis). Korin Miller, SELF, "My Son, Like Chrissy Teigen’s, Wore a Corrective Helmet as a Baby for a Flat Spot," 4 Dec. 2018 The orthosis had to allow upward movement of the ankle while preventing patients from pointing or rising up on their toes. Kelly Mcbride, Cincinnati.com, "Students make strides in project-based learning," 15 Sep. 2017 Unfortunately, Smith’s injury timeline is approaching a year-and-a-half, and his continued use of an ankle foot orthosis (AFO) brace indicates that may be a permanent need. Profootballdoc, sandiegouniontribune.com, "Cowboys must brace for reality with Jaylon Smith," 9 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'orthosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of orthosis

1958, in the meaning defined above

History and Etymology for orthosis

New Latin, from Greek orthōsis straightening, from orthoun to straighten, from orthos

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Time Traveler for orthosis

Time Traveler

The first known use of orthosis was in 1958

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Statistics for orthosis

Cite this Entry

“Orthosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orthosis. Accessed 20 Oct. 2020.

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More Definitions for orthosis


or·​tho·​sis | \ ȯr-ˈthō-səs How to pronounce orthosis (audio) \
plural orthoses\ -​ˌsēz How to pronounce orthoses (audio) \

Medical Definition of orthosis

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