Definitions for: Prevalence

[n] the quality of prevailing generally; being widespread; "he was surprised by the prevalence of optimism about the future"
[n] a superiority in numbers or amount; "there is a preponderance of Blacks in our prisons"
[n] (epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the population

Webster (1913) Definition: Prev"a*lence, n. [L. praevalentia: cf. F.
pr['e]valence. See Prevail.]
The quality or condition of being prevalent; superior
strength, force, or influence; general existence, reception,
or practice; wide extension; as, the prevalence of virtue, of
a fashion, or of a disease; the prevalence of a rumor.

The duke better knew what kind of argument were of
prevalence with him. --Clarendon.

Synonyms: preponderance

See Also: currency, figure, generality, number, ratio

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