angle of incidence

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Related to Grazing angle: angle of incidence, Glancing angle
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angle of incidence

angle of incidence

n.
The angle formed by a ray or wave incident on a surface and a line perpendicular to the surface at the point of incidence.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

angle of incidence

n
1. (General Physics) the angle that a line or beam of radiation makes with the normal to the surface at the point of incidence
2. (Aeronautics) another name for angle of attack
3. (Aeronautics) 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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

an′gle of in′cidence


n.
1. Also called incidence. the angle that a ray, as of light, makes with a normal to a surface at the point where the ray meets the surface.
2. (on an airplane) the angle, usu. fixed, between a wing or tail root chord and the axis of the fuselage.
[1620]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

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. See more at wave.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.angle of incidence - the angle that a line makes with a line perpendicular to the surface at the point of incidence
angle - the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians
angle of attack - the acute angle between the direction of the undisturbed relative wind and the chord of an airfoil
critical angle - the smallest angle of incidence for which light is totally reflected
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The radar only performed on the low grazing angle. During the measurement trials, two fixed grazing angles (8[degrees] and 10[degrees]) were applied.
at terahertz frequencies [11], a TM field incident on a zero-order metallic grating at a grazing angle demonstrates 100% transmission over an ultra-wide bandwidth.
It entered at a grazing angle of 16[degrees] and burst at an altitude of 25 to 30 kilometers.
where [psi] is the grazing angle and [[epsilon].sub.c] is the complex dielectric constant which is given by
The FTIR adds the ATR capability to its other sampling technologies, which include diffuse reflectance for absorbing or scattering samples, specular reflectance for coatings on reflectance surfaces and grazing angle reflectance for the measurement of very thin layers on metal surfaces.
When the light strikes the boundary of the ring at a grazing angle it is reflected back into the ring.
This grazing angle geometry confers two main benefits.
(7-11) The second, more specialized technique is an external reflection approach undertaken at grazing angle of incidence, which is often referred to as RAIRS (Reflection-Absorption Infrared Spectroscopy), (12) or some other similar acronym.
The data plot displays the total transmission loss and minimum grazing angle (the angle between the horizon and line of sight to the satellite) as a function of satellite altitude for a user on the perimeter of coverage for a satellite constellation with 10 space vehicles (SV) per orbital plane.
9 fireball entered the atmosphere at a grazing angle, it lasted long enough for people in several states to videotape it for as long as 22 seconds, Hawkes says.