Try Our Apps


The Best Internet Slang


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.
Origin of organo-
< Greek, combining form of órganon organ Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
British Dictionary definitions for organo-


combining form
(in biology or medicine) indicating an organ or organs: organogenesis
(in chemistry) indicating a compound containing an organic group: organometallic, 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
Cite This Source
organo- in Medicine

organo- or organ-

  1. Organ: organotrophic.

  2. Organic: organomercurial.

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

Word of the Day

Difficulty index for organo-

Few English speakers likely know this word

Word Value for organo

Scrabble Words With Friends

Nearby words for organo-