| 释义 |
Noun: prevalence prevuluns- The quality of prevailing generally; being widespread
"he was surprised by the prevalence of optimism about the future" - (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
- A superiority in numbers or amount
- preponderance
Derived forms: prevalences See also: prevail, prevalent Type of: figure, generality, number, ratio Encyclopedia: Prevalence |