"prevalences" in the noun sense
1. prevalence
the quality of prevailing generally being widespread
"he was surprised by the prevalence of optimism about the future"
2. prevalence
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. preponderance, prevalence
a superiority in numbers or amount
"a preponderance of evidence against the defendant"
Source: WordNet® (An amazing lexical database of English)
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