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prevalence

[prev-uh-luh ns] /ˈprɛv ə ləns/
noun
1.
the condition of being prevalent, or widespread:
the prevalence of AIDS in developing countries.
Sometimes, prevalentness.
Related forms
nonprevalence, noun

prevalent

[prev-uh-luh nt] /ˈprɛv ə lənt/
adjective
1.
widespread; of wide extent or occurrence; in general use or acceptance.
2.
having the superiority or ascendancy.
3.
Archaic. effectual or efficacious.
Origin
1570-1580
1570-80; < Latin praevalent- (stem of praevalēns), present participle of praevalēre to prevail. See pre-, -valent
Related forms
prevalence, prevalentness, noun
prevalently, adverb
nonprevalent, adjective
nonprevalently, adverb
unprevalent, adjective
unprevalently, adverb
Synonyms
1. common, extensive. See current.
Antonyms
1. rare.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for prevalentness

prevalent

/ˈprɛvələnt/
adjective
1.
widespread or current
2.
superior in force or power; predominant
Derived Forms
prevalence, prevalentness, noun
prevalently, adverb
Word Origin
C16 (in the sense: powerful): from Latin praevalens very strong, from praevalēre: see prevail
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
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Word Origin and History for prevalentness

prevalent

adj.

early 15c., "having great power or force," from Latin praevalentem (nominative praevalens) "of superior strength; mighty," present participle of praevalere "to be more able" (see prevail). Meaning "extensively existing, in general use" is from 1650s.

prevalence

n.

1590s, "fact of having mastery," from Middle French prévalence (15c.), from Late Latin praevalentia, from praevalens, present participle of praevalere (see prevalent). Meaning "condition of being widespread or general" is from 1713.

Online Etymology Dictionary, © 2010 Douglas Harper
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prevalentness in Medicine

prevalence prev·a·lence (prěv'ə-ləns)
n.
The total number of cases of a disease in a given population at a specific time.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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