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The interference that arises when an attempt is made to place a telephone call just as an incoming call is arriving; in the case of data transmission under the control of a computer, this can render the line or even the computer temporarily inoperative.
Discomfort produced in an observer by one or more visible sources of light. Also known as discomfort glare.
Visual disability caused by visible sources or areas of luminance which are in an observer's field of view but do not assist in viewing. Also known as disability glare.
Dazzling brightness of the atmosphere, caused by excessive reflection and scattering of light by particles in the line of sight.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


A state that reduces the ability to perceive the visual information needed for a particular activity. It arises when some parts of the visual field are much brighter than their surroundings.

blinding glare

So intense that for an appreciable length of time after it has been removed, no visual perception is possible.

discomfort glare

Glare that is distracting or uncomfortable, interfering with the perception of visual information required to satisfy biological needs, it does not significantly reduce the ability to see information needed for activities.

direct glare

Results from high luminances directly visible from a viewer’s position.

disability glare

Reduces the ability to perceive the visual information needed for a particular activity.

reflected glare

The reflection of incident light that partially or totally obscures the surface details by reducing the contrast on a surface.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved


The sensation produced by brightnesses within the visual field that are sufficiently greater than the luminance to which the eyes are adapted to cause annoyance, discomfort, or loss in visual performance and visibility.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Luminance Size Task GSV [L.sub.s] (cd/[m.sup.2]) Large 24.3 Prosaccade 3.12 Antisaccade 2.88 1.82 X [10.sup.3] High Small 23.9 Prosaccade 2.00 Antisaccade 1.60 1.91 X [10.sup.3] Large 17.6 Prosaccade 1.64 Antisaccade 1.26 2.83 X [10.sup.2] Low Small 15.6 Prosaccade 1.12 Antisaccade 1.48 3.37 X [10.sup.2] Luminance [L.sub.t] Contrast (cd/[m.sup.2]) 5.20 X 3.50 X [10.sup.0] [10.sup.2]:1 High 6.40 X 2.99 X [10.sup.0] [10.sup.2]:1 5.40 X 5.25 X [10.sup.0] [10.sup.1]:1 Low 5.40 X 6.24 X [10.sup.0] [10.sup.1]:1 Glaring conditions are bold.
Yes, it is a glaring fact that even those who are able to write the most inelegant sentences are guaranteed a job as long as the sentences are syntactically correct.
An important consideration is that a glare source that causes discomfort may not directly affect vision but may result in a behavioral adaptation to reduce the discomfort of the glaring source.
But it might have been for embarrassment after he had squandered the chance of putting Chester on terms following Gavin Gordon's 77th minute opener for Hull with a glaring miss in front of an open goal.
He said another glaring evidence of neglect on the part of local officials were structures built in areas classified as forest land.
(1,2) Now, investigators at the University of Georgia have discovered that the compounds may also improve visual performance in healthy young people with normal vision exposed to glaring light conditions.
The subjects demonstrated improved visual performance under glaring light conditions over the course of the test period compared with baseline.
The researchers define "glaring" as lowering the brows, raising the upper eyelids and directing the gaze at another person.