Definition of prosthesis in English:

prosthesis

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.

Origin

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

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