a combining form of Greek origin used, with the meaning “organ (of the body),” “musical instrument,” or as a combining form of organic in the formation of compound words: organology; organosilicon.

Nearby words

  1. organized,
  2. organized ferment,
  3. organized labor,
  4. organized militia,
  5. organizer,
  6. organochlorine,
  7. organogel,
  8. organogenesis,
  9. organogenetic,
  10. organogram

Origin of organo-

< Greek, combining form of órganon organ Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for organo-


combining form

(in biology or medicine) indicating an organ or organsorganogenesis
(in chemistry) indicating a compound containing an organic grouporganometallic; organosulphur; organophosphate
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

Medicine definitions for organo-




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