INCIDENCE Definition & Meaning

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incidence

[ in-si-duhns ]

Phonetic (Standard)IPA

noun

the rate or range of occurrence or influence of something, especially of something unwanted:
the high incidence of heart disease in men over 40.
a falling upon, affecting, or befalling; occurrence:
The incidence of murder that Sunday afternoon shocked the sleepy village.
Optics, Physics.
1. the striking of a ray of light, beam of electrons, etc., on a surface, or the direction of striking.
2. angle of incidence ( def 1 ).
the fact or the manner of being incident.
Geometry. partial coincidence of two figures, as of a line and a plane containing it.

incidence

/ ˈɪ�Բ�ɪ��ə�Բ� /

noun

degree, extent, or frequency of occurrence; amount
a high incidence of death from pneumonia
the act or manner of impinging on or affecting by proximity or influence
physics the arrival of a beam of light or particles at a surface See also angle of incidence
geometry the partial coincidence of two configurations, such as a point that lies on a circle

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�y��vlog History and Origins

Origin of incidence¹

First recorded in 1375–1425; late Middle English, from Late Latin incidentia. See incident, -ence

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Example Sentences

Examples have not been reviewed.

Health agencies across the nation have helped drive down the incidence of HIV, largely through testing, counseling and the distribution of medications that prevent the spread of the disease.

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He visits the town of Ammendorf, Germany, where a chemical manufacturing plant run by Siegfried’s bosses, since transformed into a nightclub, has left behind a toxic mess and a high incidence of cancer cases.

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As of 2023, the U.S. remains among countries with the lowest incidence of TB.

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Across the study period, the overall incidence of schizophrenia remained stable, and it has remained stable since the 1990s.

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Department of Agriculture scientist, said in an email that finding H5N1 antibodies in the blood of veterinarians was an interesting “but very imprecise way to measure state cattle incidence.”

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