What does orthotic mean?
Orthotic is chiefly an adjective meaning related to a support or corrective device used on the body. In podiatry, orthotics include insoles, braces, and other appliances that support a foot or help control alignment and function; clinicians may prescribe them for conditions such as flat feet or abnormal gait. The noun an orthotic denotes one such device, though the plural orthotics is more usual in general medical usage. The word belongs to specialist healthcare and is more technical than the everyday word support or aid. Its name reflects a broader idea of making something straight or correct: it comes from Greek orthos, meaning “straight,” “correct,” or “right.” Orthotic should not be confused with orthopedic, which refers more broadly to the branch of medicine concerned with the musculoskeletal system, including surgery, or with orthosis, which names a corrective device or support. Knowing the distinction helps when reading foot-care, rehabilitation, and physical-therapy materials.
Relating to or involving a device that supports, protects, or corrects the function or alignment of a body part.
"The shoe contains a lightweight orthotic support designed to improve the user's gait."
Most often used in podiatry, rehabilitation, and other healthcare contexts.
A device, such as a brace or insole, used to support, protect, or correct the function or alignment of a body part.
"The clinician recommended an orthotic for the painful, unevenly worn shoe."
The singular is less common in general usage than the plural orthotics.
Orthotics is the conventional plural form and may also refer collectively to the branch of healthcare concerned with orthotic devices.
"Her podiatrist prescribed custom orthotics for her flat feet."
Orthotic and optical have a similar look, but not a similar purpose: one helps the body stand straighter, while the other helps the eye see.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does orthotic come from?
Orthotic comes from Greek orthos, meaning “straight,” “correct,” or “right,” combined with the adjectival suffix -otic. The resulting term reflects the idea of straightening, supporting, or correcting a part of the body. Related English words include orthodoxy, orthodox, orthodontic, and orthography, all of which derive from the same Greek root.
Related word forms
How orthotic is actually used
This is primarily specialist medical, podiatric, and rehabilitation terminology. The adjective is common in technical writing, while the singular noun an orthotic is less common than the plural orthotics.
Easily confused with orthotic
Orthotic specifically refers to a support or corrective device, whereas orthopedic refers more broadly to the branch of medicine concerned with the musculoskeletal system, including surgery.
Orthosis names a brace or other corrective device, while orthotic most commonly functions as the adjective describing that device or the practice of using it.