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

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 ?
Call centre hours are also being extended according to demand as the new service gets off the ground.
Even with more than a month before action gets off the ground on March 1, Luisita players sampled both tree-lined courses two weeks ago to familiarize themselves in playing the relatively short but extremely tight layouts.
Jim Roddy has been lined up to be the new Chief Executive of the proposed All-Ireland League - if it gets off the ground.
I, for one, hope that this scheme gets off the ground. Let's face it, we simply cannot continue as we are.
Fingers crossed it gets off the ground and I'll keep you informed when I get more details.
A new cashless online auction site gets off the ground this month - the result of a new alliance between Coca-Cola Great Britain and QLX.com.
It would be quite unfamiliar for many, still, when Wayne Chism and Yeng Guiao are on the opposite side of the floor against Rain or Shine when the PBA Commissioner's Cup gets off the ground on March 17 at Smart Araneta Coliseum.
"It will be great if it gets off the ground and does bring down another government."
THIS virtual reality-themed fantasy barely gets off the ground floor with its lame performances and muddled plot.
Yuka Saso will go up against a highly talented field when she seeks a second major national championship in the Philippine Ladies Open that gets off the ground tomorrow at Wack Wack West course in Mandaluyong.
A NEW Gaelic Football computer game could be binned before it even gets off the ground, if an agreement cannot be reached over player image rights.
This movie turns the story into a drab romantic comedy that rarely gets off the ground.