Prevalence
WordNet
noun
(1) The quality of prevailing generally; being widespread
"He was surprised by the prevalence of optimism about the future"
(2) A superiority in numbers or amount
"A preponderance of evidence against the defendant"
(3) (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
WiktionaryText
Noun
- 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 total number of cases of a disease in the given statistical population at a given time.
- The total number of cases of a disease in the given statistical population at a given time, divided by the number of individuals in the population.