virulence

[ vir-yuh-luh ns, vir-uh- ]
/ ˈvɪr yə ləns, ˈvɪr ə- /

noun

quality of being virulent.
Bacteriology.
  1. the relative ability of a microorganism to cause disease; degree of pathogenicity.
  2. the capability of a microorganism to cause disease.
venomous hostility.
intense sharpness of temper.
Often vir·u·len·cy.

Origin of virulence

1655–65; < Late Latin vīrulentia stench; see virulent, -ence
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for virulence

British Dictionary definitions for virulence

virulence

virulency

/ (ˈvɪrʊləns) /

noun

the quality of being virulent
the capacity of a microorganism for causing disease
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 virulence

virulence

[ vîryə-ləns, vîrə- ]

n.

The quality of being poisonous.
The capacity of a microorganism to cause disease.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Culture definitions for virulence

virulence

[ (vir-yuh-luhns, vir-uh-luhns) ]

The capacity of a pathogen, such as a microorganism or toxin, to produce disease.

Note

“Virulent” substances or organisms are extremely pathogenic or toxic.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.