angle of incidence

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noun

Also called incidence. Optics, Physics. the angle that a straight line, ray of light, etc., meeting a surface, makes with a normal to the surface at the point of meeting. Abbreviation: aoiCompare angle of reflection.

(on an airplane) the angle, usually fixed, between a wing or tail root chord and the axis of the fuselage.

Chiefly British. angle of attack (def. 1).

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Origin of angle of incidence

First recorded in 1620–30

Words nearby angle of incidence

angle of dip, angle of eccentricity, angle of elevation, angle-off, angle of friction, angle of incidence, angle of iris, angle of jaw, angle of lag, angle of lead, angle of pitch

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use angle of incidence in a sentence

My captain on the boat, Brazakka, he wanted me to do this Hemingway bit, with the white stubble, and he wanted the hero angle.
The Story Behind Lee Marvin’s Liberty Valance Smile|Robert Ward|January 3, 2015|DAILY BEAST
The Dallas Cowboys sell out their state-of-the art football stadium.
Will Texas Stay Texan?|David Fontana|December 29, 2014|DAILY BEAST
We happily hoist our egg nog in the air, embrace each other, and raise our out-of-tune voices in song.
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DISH delivers a one-of-a-kind entertainment experience to every room of your home, wirelessly.
Four TV Shows We Can’t Wait to Return In 2015|DISH|December 22, 2014|DAILY BEAST

For example, studies cited in the report have shown a higher incidence of birth defects for people living near drill sites.
New York’s Conservative Fracking Ban|Jay Michaelson|December 20, 2014|DAILY BEAST
You never know when you are going to stumble upon a jewel in the most out-of-the-way corner.
Music-Study in Germany|Amy Fay
In the centre of many of the rooms there played a small fountain; in others there were four, one in each angle.
Blackwood's Edinburgh Magazine, Volume 60, No. 372, October 1846|Various
The rest is done by cutting away two upper and four under-teeth, and substituting false ones at the desired angle.
Checkmate|Joseph Sheridan Le Fanu
But Lessard's a overbearin' son-of-a-gun all round, and he's always breakin' out in a new place.
Raw Gold|Bertrand W. Sinclair
Mr. Slocum was not educated in a university, and his life has been in by-paths, and out-of-the-way places.
The Book of Anecdotes and Budget of Fun;|Various

British Dictionary definitions for angle of incidence

angle of incidence

noun

the angle that a line or beam of radiation makes with the normal to the surface at the point of incidence

another name for angle of attack

Also called: rigging angle of incidence the angle between the chord line of an aircraft wing or tailplane and the aircraft's longitudinal axis

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for angle of incidence

angle of incidence

The angle formed by a ray or wave, as of light or sound, striking a surface and a line perpendicular to the surface at the point of impact.