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prosthesis definition

pros·the·sis (präs′t̸hə sis; for 2, usually präs t̸hē′-)

noun

  1. prothesis (sense )
  2. pl. prostheses -·the′·ses′ (-t̸hē′sēz′)Med.
    1. the replacement of a missing part of the body, as a limb, eye, or tooth, by an artificial substitute
    2. such a substitute

Etymology: LL < Gr prosthesis < prostithenai < pros, to, at + tithenai, to place, do

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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