| VDT | vibration disappearance threshold; visual display terminal; visual distortion test |
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| DP | Distortion Product |
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| DPE | Distortion Product Emission |
| DPOE | Distortion product otoacoustic emissions |
| DPE | Distortion-product otoacoustic emission |
| TRD | Transmission ratio distortion |
| distortion | The state of being twisted out of a natural or normal shape or position. Origin: L. Dis = apart, torsio = a twisting (18 Nov 1997) |
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| distortion aberration | The faulty formation of an image arising because the magnification of the peripheral part of an object is different from that of the central part when viewed through a lens. (05 Mar 2000) |
| barrel distortion | <microscopy> A distortion, or aberration. (05 Aug 1998) |
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| geometrical distortion | <microscopy> A lens aberration in which the image is distorted relative to the object. See: aberration, barrel distortion, distortion, pincushion distortion. (05 Aug 1998) |
| perceptual distortion | Lack of correspondence between the way a stimulus is commonly perceived and the way an individual perceives it under given conditions. (12 Dec 1998) |
| pincushion distortion | <microscopy> A geometrical distortion in a video picture, or a form of optical aberration, that makes the middle of all sides of a square appear to bow inward. The distortion can amount to several percent of the picture height in some intensified camera tubes. See: Aberration, Distortion, Barrel distortion. (05 Aug 1998) |
| specimen distortion | <microscopy> A physical change in the specimen caused by desiccation or heating by the electron beam. (05 Aug 1998) |
| distortion |
a change for the worse distorted shape: a shape resulting from distortion aberration: an optical phenomenon resulting from the failure of a lens or mirror to produce a good image a change (usually undesired) in the waveform of an acoustic or analog electrical signal; the difference between two measurements of a signal (as between the input and output signal); "heavy metal guitar players use vacuum tube amplifiers to produce extreme distortion" the act of distorting something so it seems to mean something it was not intended to mean the mistake of misrepresenting the facts
Ãâó: wordnet.princeton.edu/perl/webwn
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| distortion |
Restrictions that prevent the market from equating social benefits and costs of an economic activity. For example, the market price of cigarettes does not reflect the indirect effect (externally) on third parties (other than the producer and the smoker), resulting in too many cigarettes being produced and consumed. The total social cost of smoking is higher than the private cost.
Ãâó: highered.mcgraw-hill.com/sites/0072487488/student_...
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| distortion |
Nonrealistic reproduction, or nonideal formation. In optics, it is an imperfection in an image caused by an imperfection in the optical system by which the image is produced. In electronics, distortion is a change in waveform of a signal that occurs upon passage of the signal through an instrument. Crystal distortion is the expansion of a crystal lattice near any crystal boundary surface.
Ãâó: amsglossary.allenpress.com/glossary/browse
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| distortion |
Any departure from the ideal of perfect competition that interferes with economic agents maximizing social welfare when they maximize their own. Includes taxes and subsidies, tariffs and NTBs, externalities, incomplete information, and imperfect competition.
Ãâó: www-personal.umich.edu/~alandear/glossary/d.html
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| distortion |
A Change in the shape of a part due to the action of mechanical forces.
Ãâó: www.ndt-ed.org/GeneralResources/Glossary/letter/d....
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| distortion | the mistake of misrepresenting the facts |
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| distortion | the act of distorting something so it seems to mean something it was not intended to mean |
| distortion | a change for the worse |
| distortion | an optical phenomenon resulting from the failure of a lens or mirror to produce a good image |
| distortion | a shape resulting from distortion |
| distortion | a painter who introduces distortions |
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