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Webster's New World College Dictionary » incidence
incidence
incidence definition
in·ci·dence (in′sə dəns)
noun
- the act, fact, or manner of falling upon or influencing
- the degree or range of occurrence or effect; extent of influence
- Informal an individual or particular occurrence or happening; instance or occasion several incidences of the disease in our village
- Geom. partial coincidence between two figures, as of a line and a point contained in it
- Physics
- the falling of a line, or a ray of light, projectile, etc. moving in a line, on a surface
- the direction of such falling
Etymology: ME (North) < OFr < LL incidentia
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