virulency

virulence

[vir-yuh-luhns, vir-uh-]
noun
1.
quality of being virulent.
2.
Bacteriology.
a.
the relative ability of a microorganism to cause disease; degree of pathogenicity.
b.
the capability of a microorganism to cause disease.
3.
venomous hostility.
4.
intense sharpness of temper.
Also, virulency.


Origin:
1655–65; < Late Latin vīrulentia stench; see virulent, -ence

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World English Dictionary
virulence or virulency (ˈvɪrʊləns)
 
n
1.  the quality of being virulent
2.  the capacity of a microorganism for causing disease
 
virulency or virulency
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

virulence vir·u·lence (vēr'yə-ləns, vēr'ə-)
n.

  1. The quality of being poisonous.

  2. 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.
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American Heritage
Cultural Dictionary
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 American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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