ground

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ground

 [grownd]
1. a path of conduction from an electrical circuit to the earth.
2. to connect an electrical circuit or electrical equipment to the earth.
3. zero electrical potential.

ground

Etymology: AS, grund
1 (in electricity) a connection between the electric circuit and the ground, which becomes a part of the circuit.
2 (in psychology) the background of a visual field that can enhance or inhibit the ability of a patient to focus on an object.

ground

1. Basic substance or foundation.
2. Reduced to a powder; pulverized.
3. In electronics, the negative or earth pole that has zero electrical potential.

figure

A part or pattern in the visual field which has the perceptual attribute of completeness and is perceived as distinct from the rest of the field which forms the ground. Example: a printed word against a background page.
ambiguous figure An image or drawing arranged in such a way that its perception oscillates or flips involuntarily between, usually, two interpretations even though the retinal image remains constant, thus indicating that higher cortical processing are involved. Syn. reversible figure. See Blivet figure; Kanizsa figure; illusion; Necker cube; Rubin's vase; Schroeder's staircase.
Blivet figure An 'impossible' figure in which three apparently solid tubes are attached at one end of a rectangular base which projects only two bars (Fig. F4). See Necker cube; Schroeder's staircase; Rubin's vase.
fortification figure See scintillating scotoma.
Kanizsa figure An ambiguous figure in which the illusory contour of a square (or triangle) appears in the middle of four (or three) truncated solid squares (or circles). It is an illustration of the perceptual ability to make sense of an incomplete figure by creating a 'whole' image from the separate elements (Gestalt organization). Some people cannot perceive the contour. Syn. Kanizsa square (Fig. F5).reversible f. See ambiguous figure.
Fig. F4 Blivet figureenlarge picture
Fig. F4 Blivet figure
Fig. F5 Kanisza figureenlarge picture
Fig. F5 Kanisza figure
References in periodicals archive ?
Over the course of two and a half centuries America has had common ground sufficient to construct a solid middle ground.
Birmingham County Football Association Discipline Manager Mike Fellows said: "A Common Ground player was sent off for serious foul play in the 47th minute, but the game carried on without any problems.
Some of the 51 positions being restructured are in the Common Ground group, but across different areas and functions, including service, sales and marketing, among others, according to Karoline McLaughlin, Blackbaud's vice president of corporate communications.
Since 2007, New York's Common Ground has been working to incorporate 'green' design principles into all residences, and this also fits well with the aims of the Melbourne partners.
This statement reflects a profound misunderstanding of what it means to search for common ground.
THE LAUNCH OF THIS initiative gives the first legs to a series of statements and gestures President Barack Obama, and before that candidate Obama, has made that lifted up tile concept of common ground.
Interrupted by hecklers, Mr Obama said he recognised the strong emotions stirred up by the abortion debate but he urged the two sides to try to find common ground like preventing unintended pregnancies.
Griffith has not received any donations from Common Ground Consulting in Bandon.
The Reaching Common Ground event was at the Cedar Court Hotel, Ainley Top, to mark the completion of the Kirklees Common Ground Project which is managed by Kirklees Council.
The birth of their daughter, changes in their previous workplace and the completion of their home led to the beginning of Common Ground Construction, LLC.
Asked if "violent conflict is inevitable" between Muslim and western cultures or whether "it is possible to find common ground" an average of 56 percent said that common ground can be found between the two cultures--the most common response in 25 countries.
In fact, this initiative is an example of how difficult common ground is to achieve.