noun Date: 1626 1. angle of ~ , the arrival of something (as a projectile or a ray of light) at a surface, 2. an act or the fact or manner of falling upon or affecting ; occurrence , rate of occurrence or influence
INCIDENCE
Meaning of INCIDENCE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012