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Từ điển WordNet v3.1 - WordNet Dictionary
prevalence
1. the quality of prevailing generally;
being widespread (Freq. 1)
- he was surprised by the prevalence of optimism about the future
• Derivationally related forms:
prevail, prevalent
• Hypernyms:
generality
• Hyponyms:
currency
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
• Topics:
epidemiology
• Hypernyms:
ratio
3. a superiority in numbers or amount
- a preponderance of evidence against the defendant
• Syn:
preponderance
• Derivationally related forms:
prevail, preponderate (for: preponderance)
• Hypernyms:
number, figure
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