a superiority in numbers or amount (noun.attribute)
hypernym (prevalence IS A KIND OF .... relation)
(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(noun.linkdef)
domain category (prevalence is domain category of ....)
(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(noun.linkdef)