incidence

incidence definition - medical

in·ci·dence (ĭnˈsĭ-dəns)

noun
  1. The extent or rate of occurrence, especially the number of new cases of a disease in a population over a period of time.
  2. The arrival of radiation or a projectile at a surface.

Related Forms:

  • inˈci·dent adjective

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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