英和和英

語源

Borrowed from Middle French prévalence.

発音

• IPA: /ˈpɹɛvələns/
• (variant) IPA: /pɹɪˈveɪləns/ (modelled on prevail)

名詞

prevalence (countable and uncountable, plural prevalences)

1. The quality or condition of being prevalent; wide extension or spread.
   • 2012 August 7, “SPLC fellow: ‘I wouldn’t be surprised to learn that [Page] essentially expected to die’”, in CNN‎:

     On Starting Point this morning, Southern Poverty Law Center senior fellow Mark Potok discusses the prevalence of white supremacist groups and explains how this type of music is used as a recruitment tool.

2. (epidemiology) The total number of cases of a disease in a given statistical population at a given time, divided by the number of individuals in that population.

派生語

関連する語

• prevail
• prevalent

参考

• incidence

Further reading

• “prevalence”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “prevalence”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.