[{"Bold_text": "noun", "List Items": ["the rate or range of occurrence or influence of something, especially of something unwanted:the high incidence of heart disease in men over 40.", "a falling upon, affecting, or befalling; occurrence:The incidence of murder that Sunday afternoon shocked the sleepy village.", "Optics, Physics.the striking of a ray of light, beam of electrons, etc., on a surface, or the direction of striking. angle of incidence(def1) angle of incidence(def1).", "the striking of a ray of light, beam of electrons, etc., on a surface, or the direction of striking.", "angle of incidence(def1) angle of incidence(def1).", "the fact or the manner of being incident.", "Geometry.partial coincidence of two figures, as of a line and a plane containing it."]}]