This shows grade level based on the word's complexity.
R factor
Save This Word!
This shows grade level based on the word's complexity.
noun
a genetic component of some bacteria that provides resistance to antibiotics and can be transferred from one bacterium to another by conjugation.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Also called resistance transfer factor, RTF
Origin of R factor
1960ā65; r(esistance)factor
Words nearby R factor
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Ā© Random House, Inc. 2022
How to use R factor in a sentence
Medical definitions for R factor
R factor
n.
resistance plasmid
The American HeritageĀ® Stedman's Medical Dictionary
Copyright Ā© 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.