incidence : Idioms & Phrases


Angle of incidence

  • noun the angle that a line makes with a line perpendicular to the surface at the point of incidence
    angle of incidence.
WordNet
  • the angle which a ray of light, or the line of incidence of a body, falling on any surface, makes with a perpendicular to that surface; also formerly, the complement of this angle.
Webster 1913

For Angles of commutation, draught, incidence, reflection, refraction, position, repose, fraction

  • see Commutation, Draught, Incidence, Reflection, Refraction, etc.
Webster 1913

incidence angle

  • noun the angle that a line makes with a line perpendicular to the surface at the point of incidence
    angle of incidence.
WordNet

Line of incidence

  • the line in the direction of which a surface is struck by a body, ray of light, and the like.
Webster 1913

relative incidence

  • noun the relative frequency of occurrence of something
    incidence.
WordNet