organo-

American  

1. 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.

---

organo- British  

combining form

1. (in biology or medicine) indicating an organ or organs

   organogenesis

2. (in chemistry) indicating a compound containing an organic group

   organometallic

   organosulphur

   organophosphate

---

Usage

What does organo- mean? Organo- is a combining form used like a prefix with several meanings. In biology and medicine, it refers to an "organ (of the body)." In chemistry, it represents organic, referring to "chemical compounds existing in or derived from plants or animals and carbon compounds." Very occasionally, it means "musical instrument."Organo- comes from the Greek órganon, meaning “organ.”

Etymology

Origin of organo-

< Greek, combining form of órganon organ