- 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.
- the striking of a ray of light, beam of electrons, etc., on a surface, or the direction of striking.
- 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.
Origin of incidence
Examples from the Web for incidence
And without a concrete way to measure the incidence of domestic violence, it is purely observational.Another Hazy Week For Weed
September 1, 2014
Meanwhile, since the 1970s, our yearly sugar consumption has skyrocketed along with the incidence of diabetes and obesity.The Heart Association’s Junk Science Diet
Dr. Barbara H. Roberts
May 22, 2014
This would push food prices up internationally, raising the incidence of hunger, disease and political instability.Can Generation Hot Avoid Its Fate?
April 5, 2014
Does any Indian believe that we will, come Friday, see even a drop in the incidence of rape?When India Wants the Rapists Hanged
September 12, 2013
Only with a regime like that will we see their incidence decrease.RG-Knee: Stoopid Stoopid Stoopid
January 9, 2013
And this it does, through the incidence of bargaining and the law of supply and demand.Socialism
There is much room for improvement in the incidence of taxation.Life and Work in Benares and Kumaon, 1839-1877
What about the incidence of penetrating meteors in the mesosphere?A Fine Fix
R. C. Noll
This is because, in such a case, it is set at an angle of incidence.
It may then be said to have in effect a less Angle of Incidence.
- degree, extent, or frequency of occurrence; amounta 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 surfaceSee also angle of incidence
- geometry the partial coincidence of two configurations, such as a point that lies on a circle
Word Origin and History for incidence
early 15c., "incidental matter," from Middle French incidence (15c.), from Late Latin incidentia (see incident (n.)). Meaning "act of coming into contact with" is from 1650s; sense in physics is from 1620s.
- The extent or rate of occurrence, especially the number of new cases of a disease in a population over a period of time.
- The arrival of radiation or a projectile at a surface.