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n. (used with a sing. verb)
The science that deals with the use of specialized mechanical devices to support or supplement weakened or abnormal joints or limbs.
or·thot′ist (ôr-thŏt′ĭst, ôr′thə-tĭst) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Medicine) (functioning as singular) the provision and use of artificial or mechanical aids, such as braces, to prevent or assist movement of weak or injured joints or muscles
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n. (used with a sing. v.)
a branch of medicine dealing with the making and fitting of orthotic devices.
or•thot•ist (ɔrˈθɒt ɪst, ˈɔr θə tɪst) n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.