[ pros-thet-iks ]
/ prɒsˈθɛt ɪks /

noun (used with a singular or plural verb)

the branch of surgery or of dentistry that deals with the replacement of missing parts with artificial structures.Compare prosthodontics.
the fabrication and fitting of prosthetic devices, especially artificial limbs.

Origin of prosthetics

First recorded in 1890–95; see origin at prosthesis, -ics

Definition for prosthetics (2 of 2)

[ pros-thet-ik ]
/ prɒsˈθɛt ɪk /


of or relating to an artificial body part or prosthesis: He was fitted for a prosthetic arm.
of or relating to the fields of surgical or dental prosthetics: advances in prosthetic technology.
of or relating to a substance, item, or process used to transform a person’s appearance temporarily, especially as a theatrical special effect: The final scene required painstaking application of prosthetic hair and skin.


an artificial body part; a prosthesis: Hundreds of amputees volunteered to test the new prosthetics.
an appearance-altering substance or item applied temporarily to a person’s face or body, especially to create a theatrical special effect: Alien creatures are brought to life with realistic prosthetics.

Origin of prosthetic

1735–40; < Modern Latin prostheticus, from Hellenistic Greek prosthetikós, equivalent to prósthet(os) “added on,” verbid of prostithе́nai “to add, put onto” (pros- pros-. + the-, stem of tithе́nai “to put, place” + -tos verbid suffix) + -ikos -ic


pros·thet·i·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for prosthetics

/ (prɒsˈθɛtɪks) /


(functioning as singular) the branch of surgery concerned with prosthesis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for prosthetics (1 of 2)

[ prŏs-thĕtĭks ]


The branch of medicine or surgery that deals with the production and application of artificial body parts.

Other words from prosthetics

prosthe•tist (prŏsthĭ-tĭst) n.

Medical definitions for prosthetics (2 of 2)

[ prŏs-thĕtĭk ]


Serving as or relating to a prosthesis.
Of or relating to prosthetics.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.