Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

prevalence

play
noun prev·a·lence \ˈpre-və-lən(t)s, ˈprev-lən(t)s\

Definition of prevalence

  1. 1 :  the quality or state of being prevalent

  2. 2 :  the degree to which something is prevalent; especially :  the percentage of a population that is affected with a particular disease at a given time



Examples of prevalence

  1. <the prevalence of rumors when hard information is withheld from the public>



1713

First Known Use of prevalence

1713


PREVALENCE Defined for Kids

prevalence

play
noun prev·a·lence \ˈpre-və-ləns\

Definition of prevalence

  1. :  the state of happening, being accepted, or being practiced often or over a wide area




Medical Dictionary

prevalence

play
noun prev·a·lence \ˈprev(-ə)-lən(t)s\

Medical Definition of prevalence

  1. :  the percentage of a population that is affected with a particular disease at a given time—compare incidence 2b





Seen and Heard

What made you want to look up prevalence? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 9, 2016

marked by high spirits and laughter

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

pince-nez kittly-benders duvet spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ