Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia, Wikipedia.
1. Any of the conjugative or nonconjugative plasmids that carry and transmit genes responsible for resistance to antibiotics from one bacterium to another. Also called resistance factor, resistance plasmid, R plasmid.
2. See R-value.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a genetic component of some bacteria that provides resistance to antibiotics and can be transferred from one bacterium to another by conjugation.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
facteur de résistance