1. The quality of prevailing generally; being widespread
   "he was surprised by the prevalence of optimism about the future" 
2. (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 
3. A superiority in numbers or amount
   - preponderance

Derived forms: prevalences

See also: prevail, prevalent

Type of: figure, generality, number, ratio

Encyclopedia: Prevalence

• ousel
• oust
• ouster
• ousting
• out
• out and away
• out front
• out in
• out loud
• out of
• out of action
• out of bounds
• out of breath
• out of doors
• out of gear
• out of hand
• out of it
• out of keeping
• out of line
• out of nothing
• out of order
• out of place
• out of play
• out of practice
• out of print