incidence
Americannoun
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the rate or range of occurrence or influence of something, especially of something unwanted.
the high incidence of heart disease in men over 40.
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a falling upon, affecting, or befalling; occurrence.
The incidence of murder that Sunday afternoon shocked the sleepy village.
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Optics, Physics.
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the striking of a ray of light, beam of electrons, etc., on a surface, or the direction of striking.
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the fact or the manner of being incident.
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Geometry. partial coincidence of two figures, as of a line and a plane containing it.
noun
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degree, extent, or frequency of occurrence; amount
a high incidence of death from pneumonia
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the act or manner of impinging on or affecting by proximity or influence
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physics the arrival of a beam of light or particles at a surface See also angle of incidence
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geometry the partial coincidence of two configurations, such as a point that lies on a circle
Etymology
Origin of incidence
First recorded in 1375–1425; late Middle English, from Late Latin incidentia. See incident, -ence
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Over the same period, the United Arab Emirates experienced the greatest decline in age-standardized incidence, while Kazakhstan saw the largest decrease in age-standardized death rates.
From Science Daily
According to the researchers, incidence rates have steadily increased and now sit just below 15 cases per 100,000 Indian men.
From Science Daily
The incidence of myopia is highest in Southeast Asia—maybe not surprising given the heavy cultural emphasis on academics—where an estimated 80% of students who complete 12 years of school are myopic.
Further analysis pointed to differences in disease incidence.
From Science Daily
From 2013 to 2017, incidence rates rose in 27 of the 50 countries included in the analysis for people under the age of 50.
From Science Daily
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
