prosthesis Definition

prosthesis
noun prostheses

1. An artificial substitute for a part of the body that is missing (as a result of surgery or injury) or non-functional, eg dentures, an artificial limb or breast or a pacemaker.
2. The fitting of such a part to the body.
3. linguistics.
A less common term for prothesis.

Derivative: prosthetic
adj

Derivative: prosthetically
adverb

Etymology: 18c in sense 2; 16c in the linguistic sense ‘addition of a prefix to a word': Latin, from Greek, from pros in addition to + tithenai to put.