[ pruh-moh-ter ]
/ prəˈmoʊ tər /


Origin of promoter

1400–50; late Middle English; see promote, -er1; replacing earlier promotour < Anglo-French


self-pro·mot·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for promoter

British Dictionary definitions for promoter

/ (prəˈməʊtə) /


a person or thing that promotes
a person who helps to organize, develop, or finance an undertaking
a person who organizes and finances a sporting event, esp a boxing match
chem a substance added in small amounts to a catalyst to increase its activity
genetics a sequence of nucleotides, associated with a structural gene, that must bind with messenger RNA polymerase before transcription can proceed
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 promoter

[ prə-mōtər ]


A substance that increases the activity of a catalyst.
A DNA molecule to which RNA polymerase binds, initiating the transcription of mRNA.
A chemical that may promote carcinogenicity or mutagenicity.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for promoter

[ prə-mōtər ]

The region of an operon that acts as the initial binding site for RNA polymerase.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.