English Explanatory Dictionary

incidence

English dictionary entry

Meanings

noun
  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. The striking of radiation or a projectile upon a surface.
  5. A measure of the rate of new occurrence of a given medical condition in a population within a specified period of time.
  6. The falling of a point on a line, or a line on a plane.
  7. The relation between an edge of a graph and one of the vertices it connects.

Pronunciation

/ˈɪn.sɪ.dəns/ LL-Q1860 (eng)-Vealhurl-incidence.wav LL-Q1860 (eng)-Simplificationalizer-incidence.wav

Word forms

incidence incidences

Etymology

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”).

Derived words

angle of incidence incidence algebra incidence axiom incidence function incidence geometry incidence graph incidence matrix nonincidence seroincidence
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