LITHOGRAPHIC PROCESS Meaning and
Definition
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The lithographic process is a printing technique that involves the creation of images on a flat surface, known as a lithographic plate, using the principle of repulsion between oil-based inks and water. The word "litho" comes from the Greek word lithos, meaning stone, as this method was originally developed on limestone rocks.
In the lithographic process, the first step is preparing the plate. Traditionally, this involved grinding a limestone block to a smooth and level surface. Modern lithography, however, utilizes metal plates coated with a light-sensitive emulsion. The plate is then exposed to light through a film positive, which transfers the desired image onto the plate.
Once the plate is prepared, it undergoes a process called inking. This involves applying oil-based ink onto the plate's surface, with the ink adhering only to the image areas due to their affinity for oil. Meanwhile, a thin film of water is applied to the non-image areas, repelling the ink and keeping them clean.
The final step is transferring the image onto paper or another printable material. This is done by pressing the plate against the paper through a printing press. The pressure causes the inked image to transfer onto the paper, resulting in a high-quality reproduction of the original image.
The lithographic process is widely used in various forms of commercial printing, including newspaper, magazine, and book printing. Its versatility allows for the replication of intricate details and smooth transitions of tones, making it a popular choice for artistic and graphic printing as well.
Common Misspellings for LITHOGRAPHIC PROCESS
- kithographic process
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- oithographic process
- luthographic process
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- lothographic process
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- lirhographic process
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- litgographic process
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Etymology of LITHOGRAPHIC PROCESS
The word "lithographic" can be traced back to the Greek words "lithos" meaning "stone" and "graphē" meaning "writing" or "drawing".
The lithographic process was invented by Alois Senefelder in 1796 as a method of printing using a flat stone. The process involves the application of ink to a smooth surface (originally a stone) and then transferring it onto paper. This technique was revolutionary at the time as it allowed for high-quality reproductions of text and images.
The term "lithography" was coined by Senefelder himself, combining the Greek words "lithos" and "graphē" to describe the process of "stone writing" or "stone drawing".
