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prosthesis Line breaks: pros|thesis
Pronunciation: /prɒsˈθiːsɪs/

Definition of prosthesis in English:

noun (plural prostheses -siːz)

1An artificial body part, such as a limb, 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 Linguistics The addition of a letter or syllable at the beginning of a word, as in Spanish escuela derived from Latin scola.


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

Words that rhyme with prosthesis

amniocentesis, anamnesis, ascesis, catechesis, diesis, exegesis, mimesis, psychokinesis, telekinesis
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