A lot vs. Alot: 9 Grammatical Pitfalls
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.
orthotic or·thot·ic (ôr-thŏt'ĭk)
Of or relating to orthotics. n.
An orthopedic appliance designed to straighten or support a body part.