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Definitions of incidence

  1. the relative frequency of occurrence of something Scrapingweb Dictionary DB
  2. the striking of a light beam on a surface; "he measured the angle of incidence of the reflected light" Scrapingweb Dictionary DB
  3. A falling on or upon; an incident; an event. Webster Dictionary DB
  4. The direction in which a body, or a ray of light or heat, falls on any surface. Webster Dictionary DB
  5. The number of new cases of a given disease during a given period in a specified population. It also is used for the rate at which new events occur in a defined population. It is differentiated from PREVALENCE, which refers to all cases, new or old, in the population at a given time. Medical Dictionary DB
  6. The direction in which a ray of light or heat falls upon a surface. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  7. A falling upon: the meeting of one body with another. The american dictionary of the english language. By Daniel Lyons. Published 1899.
  8. Meeting of one body with another; direction in which anything strikes another. The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894.
  9. A falling, or the direction of fall. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  10. A falling upon; the direction in which a body, as a ray, falls on another. Angle of incidence, the angle which a ray of light, heat, &c., falling on a surface makes with a perpendicular to that surface. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  11. The direction in which any elastic body, or light or heat, falls on or strikes another; angle of incidence, the angle formed by a ray, as of light or heat, striking or impinging on a surface, and which angle is equal to the angle of reflection. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
  12. The act of falling upon or impinging against; the state of being incident. na
  13. Falling on, contact with, a thing; what is the i. of the tax?, on whom will it fall?; (Phys.) falling of line, or of thing moving in a line, upon a surface; angle of i., that which the incident line, ray, &c., makes with the perpendicular to the surface at point of i.; range, scope, extent, of influence. [French] Concise Oxford Dictionary
  14. n. An accident or casualty ;- direction in which a body, or a ray of light or heat, falls on any surface. Angle of incidence, the angle which a ray of light or body, falling on any surface, makes with a perpendicular to that surface. Cabinet Dictionary
  15. The direction with which one body strikes upon another, and the angle made by that line, and the plane struck upon, is called the angle of Incidence; accident, hap, casualty. Complete Dictionary
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