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Search Result for "angle of incidence":
Wordnet 3.0

NOUN (1)

1. the angle that a line makes with a line perpendicular to the surface at the point of incidence;
[syn: angle of incidence, incidence angle]


The Collaborative International Dictionary of English v.0.48:

Incidence \In"ci*dence\, n. [Cf. F. incidence.] [1913 Webster] 1. A falling on or upon; an incident; an event; an occurrence. [Obs.] --Bp. Hall. [1913 Webster] 2. (Physics) The direction in which a body, or a ray of light or heat, falls on any surface. [1913 Webster] In equal incidences there is a considerable inequality of refractions. --Sir I. Newton. [1913 Webster] 3. The rate or ratio at which something occurs; as, the incidence of murder in Los Angeles; the incidence of cancer in men over 50. [PJC] Angle of incidence, 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. Line of incidence, the line in the direction of which a surface is struck by a body, ray of light, and the like. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Angle of incidence \Angle of incidence\ (A["e]ronautics) The angle between the chord of an a["e]rocurve and the relative direction of the undisturbed air current. [Webster 1913 Suppl.]
WordNet (r) 3.0 (2006):

angle of incidence n 1: the angle that a line makes with a line perpendicular to the surface at the point of incidence [syn: angle of incidence, incidence angle]