a combining form with the meanings “molding, formation” “surgical repair, plastic surgery,” used in the formation of compound words: angioplasty; galvanoplasty; heteroplasty.

Nearby words

  1. -phyte,
  2. -plasia,
  3. -plasm,
  4. -plast,
  5. -plastic,
  6. -plasy,
  7. -plegia,
  8. -plex,
  9. -ploid,
  10. -pnea

Origin of -plasty

< Greek -plastia. See -plast, -y3

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for -plasty


n combining form

indicating plastic surgery involving a bodily part, tissue, or a specified processrhinoplasty; neoplasty

Word Origin for -plasty

from Greek -plastia; see -plast

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for -plasty


word-forming element meaning "act or process of forming," also "plastic surgery" applied to a specific part, from Greek -plastia, from plastos "molded, formed," verbal adjective from plassein "to mold" (see plasma).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for -plasty



Molding or forming surgically; plastic surgery:dermatoplasty.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.