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orthotic or·thot·ic (ôr-thŏt'ĭk)
Of or relating to orthotics. n.
An orthopedic appliance designed to straighten or support a body part.
orthotics or·thot·ics (ôr-thŏt'ĭks)
The science that deals with the use of specialized mechanical devices to support or to supplement weakened or abnormal joints or limbs. Also called orthetics.