orthosis

[ awr-thoh-sis ]

noun

, plural or·tho·ses [awr-, thoh, -seez].

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

orthosis

/ 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

Word History and Origins

Origin of orthosis¹

1955–60; < Greek órthōsis a making straight, guidance, equivalent to orthō- (variant stem of orthoûn to straighten, verbal derivative of orthós straight) + -sis -sis