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| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
xerography xe·rog·ra·phy (zĭ-rŏg'rə-fē)
n.
See xeroradiography.
xerography
any of several image-forming processes, principally xerography and the dielectric process, that rely on photoconductive substances whose electrical resistance decreases when light falls on them; it is the basis of the most widely used document-copying machines.
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