incidence

From Middle French incidence, from Medieval Latin incidentia (“a falling upon”), from Latin incidens, present participle of incidere (“to fall upon”), from in (“on”) + cadere (“to fall”).

• Homophone: incidents

incidence (countable and uncountable, plural incidences)

1. The act of something happening; occurrence.
2. The extent or the relative frequency of something happening.
3. The manner of falling; bearing or onus, as of a tax that falls unequally.
4. (physics) The striking of radiation or a projectile upon a surface.
5. (epidemiology) A measure of the risk of a person developing a new condition within a specified period of time, usually a year.
6. (geometry) The falling of a point on a line, or a line on a plane.

• prevalence

• incidence in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• incidence in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• incidence at OneLook Dictionary Search

incidence f

1. (epidemiology) incidence

From Middle French incidence, from Latin incidentia.

• Audio

  (file)

incidence f (plural incidences)

1. impact, effect, consequence
2. incidence

• “incidence” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

From Latin incidentia.

incidence f (plural incidences)

1. incident; event; occurrence

• English: incidence
• French: incidence