prosthesis
nounUK /prɒsˈθiːsɪs/
US /prɑːsˈθiːsɪs/
A prosthesis is a fake body part that helps a person do things like walk or hold things.
After his accident, he got a prosthesis so he could walk again.
RELATED WORDS
OTHER MEANINGS
2. An artificial tooth or set of teeth, such as a crown or denture.
The dentist fitted her with a prosthesis to replace the missing tooth.
3. An artificial part used to replace a damaged heart valve or other internal body structure.
Surgeons implanted a heart valve prosthesis during the operation.
4. In linguistics, the addition of a sound at the beginning of a word.
The added 'e' in 'especial' is an example of prosthesis.