Definition of prosthesis in English:


Syllabification: pros·the·sis
Pronunciation: /präsˈTHēsis

noun (plural prostheses /-sēz/)

1An artificial body part, such as a leg, a heart, or a breast implant: his upper jaw was removed and a prosthesis was fitted
More example sentences
  • Tell the technologist if you have any metal or electronic devices in your body, such as metallic joint prostheses, artificial heart valves, implanted electronic devices, cochlear implants or magnets in your dentures.
  • The single most critical aspect of any prosthesis is the quality of the interface between the limb remnant and the artificial prosthesis.
  • A retinal prosthesis may provide artificial vision to people who have lost their sight due to diseases affecting the retina.
2 (also prothesis) The addition of a letter or syllable at the beginning of a word, as in Spanish escribo derived from Latin scribo.


mid 16th century (sense 2): via late Latin from Greek, from prostithenai, from pros 'in addition' + tithenai 'to place'.



Pronunciation: /-ˈTHetik/
More example sentences
  • Although in development, there are currently no prosthetic tracheal substitutes.
  • This patient, a 10 year old boy, had subaortic obstruction and had outgrown his original prosthetic aortic valve.
  • Many prosthetic hands were simple clamps or hooks driven by cables attached to harnesses slung across the shoulders and back of the wearer.


Pronunciation: /-ˈTHetik(ə)lē/
More example sentences
  • Androids are physically indistinguishable from human beings and the only identifiable difference is the human ability to feel empathy, which is encountered prosthetically through an ‘empathy box.’
  • This technique isn't particularly effective; the iguana harks back to the 1940 version, where all the dinosaurs were prosthetically enhanced reptiles, and paradoxically look worse than the animated creatures.
  • He doesn't just convincingly portray blindness (he was, in fact, prosthetically blind, so that isn't the totally impressive part).

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