[prev.a.lence] n (1713) 1: the quality or state of being prevalent
2: the degree to which something is prevalent; esp: the percentage of a population that is affected with a particular disease at a given time
[prev.a.lence] n (1713) 1: the quality or state of being prevalent
2: the degree to which something is prevalent; esp: the percentage of a population that is affected with a particular disease at a given time
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012