PREVALENCE

prevalence

(noun) the quality of prevailing generally; being widespread; “he was surprised by the prevalence of optimism about the future”

preponderance, prevalence

(noun) a superiority in numbers or amount; “a preponderance of evidence against the defendant”

prevalence

(noun) (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

Source: WordNet® 3.1

Etymology

Noun

prevalence (countable and uncountable, plural prevalences)

The quality or condition of being prevalent; wide extension or spread.

(epidemiology) The total number of cases of a disease in a given statistical population at a given time, divided by the number of individuals in that population.

Source: Wiktionary

Prev"a*lence, n. Etym: [L. praevalentia: cf. F. prévalence. See Prevail.]

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition

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