Lithography meaning

lĭ-thŏgrə-fē
The art or process of printing from a flat stone or metal plate by a method based on the repulsion between grease and water: the design is put on the surface with a greasy material, and then water and printing ink are successively applied; the greasy parts, which repel water, absorb the ink, but the wet parts do not.
noun
3
0
The definition of lithography is a method of printing from a flat surface where unnecessary ink is turned away from the surface, generally by grease.

An example of lithography is printing a message on a stone using grease to repel unwanted ink.

noun
1
0
A printing process in which the image to be printed is rendered on a flat surface, as on sheet zinc or aluminum, and treated to retain ink while the nonimage areas are treated to repel ink.
noun
1
0
A printing technology that dates back to 1798 when Alois Senenfelder developed a method of imaging limestone from which a print was produced. Based on the principle that oil and water do not mix, an aluminum or plastic plate is coated with a photopolymer film that is exposed to light through a photographic mask. The exposed areas are chemically "hardened," and the unexposed areas are dissolved when the plate is put through a chemical process, which is the next stage. When printing a page, the plate is dampened, and the water adheres only to the unexposed, non-image areas, which repell the greasy ink that is applied to the plate immediately thereafter.The most common lithographic printing uses the offset method, in which the ink is "offset" onto a rubber-coated cylinder that is pressed against the paper. See offset press.
1
0
The process of printing a lithograph on a hard, flat surface; originally the printing surface was a flat piece of stone that was etched with acid to form a surface that would selectively transfer ink to the paper; the stone has now been replaced, in general, with a metal plate.
noun
0
0
Advertisement

Origin of lithography

  • 1813. From German Lithographie, from Ancient Greek λίθος (lithos, “stone") + γράφειν (graphein, “to write").

    From Wiktionary