ANGLE OF INCIDENCE • E-FREE TRANSLATION.COM • Definition of Angle of incidence

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/ˈæŋgəl əv ˈɪnsədəns/ Listen

noun

Angle of incidence n. (Aeronautics) The angle between the chord of an aerocurve and the relative direction of the undisturbed air current.

Incidence n.

A falling on or upon; an incident; an event; an occurrence. (Obs.)

(Physics) The direction in which a body, or a ray of light or heat, falls on any surface. "In equal incidences there is a considerable inequality of refractions."

The rate or ratio at which something occurs; as, the incidence of murder in Los Angeles; the incidence of cancer in men over 50.

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.

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Etymology of 'Angle of incidence'

Collaborative International Dictionary of English 0.48

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"Angle of incidence" Quotes from Famous Books

... for the air liner. He can't use a very large engine, for it would drag him down, but one of the new hundred horsepower jobs would weigh only about fifty pounds. I think we can draw a pretty good picture of his plane from scientific logic. It probably has a tremendous wingspread and a very high angle of incidence to make it possible to glide at that height, and the engine and prop ...

— The Black Star Passes • John W Campbell

... are opaque and hard with a hard surface reflect light [lustre] from every spot on the illuminated side which is in a position to receive light at the same angle of incidence as they occupy with regard to the eye; but, as the surface mirrors all the surrounding objects, the illuminated [body] is not recognisable in these portions of the ...

— The Notebooks of Leonardo Da Vinci, Complete • Leonardo Da Vinci