a combining form meaning “drug,” used in the formation of compound words: pharmacology.

Origin of pharmaco-

combining form representing Greek phármakon drug Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for pharmaco-


combining form

indicating drugspharmacology; pharmacopoeia

Word Origin for pharmaco-

from Greek pharmakon drug, potion
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 pharmaco-



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