This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. An artificial device used to replace a missing body part, such as a limb, tooth, eye, or heart valve.

n. Replacement of a missing body part with such a device.

n. Linguistics Prothesis.

n. An artificial replacement for a body part, either internal or external.

n. prothesis

n. The addition to the human body of some artificial part, to replace one that is wanting, as a log or an eye; -- called also prothesis.

n. The prefixing of one or more letters to the beginning of a word, as in beloved.

n. Addition; affixion; appendage.

n. corrective consisting of a replacement for a part of the body

"It will take at least two or three years before scientists try to replicate the experiment with a more long-term prosthesis, the experts said."

dental prosthesis    paraffin prosthesis   

prosthetic   

prostheses    prothesis   

preadolescence    psychokinesis    rhesus    thesis    transgresses   

end-cap    adulteress    base plate    gearhead    lymphadenectomy    ameriplan    stone-colour    disarticulation    gustatory    acuity