: plastic surgery
osteoplasty

Word History

Etymology

French -plastie, from Late Greek -plastia molding, from Greek -plastēs molder, from plassein

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Cite this Entry

“-plasty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/-plasty. Accessed 3 Feb. 2026.

Medical Definition

plasty

noun
plas·​ty ˈplas-tē How to pronounce plasty (audio)
plural plasties
: a surgical procedure for the repair, restoration, or replacement (as by a prosthesis) of a part of the body
quadriceps plasty
total knee plasty
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