Also means
predominance
Usage Note
Prevalenza denotes the state of being predominant or most common, used in statistics, medicine (prevalenza di una malattia = disease prevalence), and general discourse. The phrase in prevalenza functions as an adverbial expression meaning 'predominantly' or 'for the most part' and is very common. The related verb is prevalere (to prevail).
Examples
"In prevalenza, i partecipanti erano giovani."
Natural Translation
For the most part, the participants were young.

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