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The Heidelberg website glossary explains, in alphabetical order, a multitude of terms relevant to printing, as well as some terms used in Heidelberg's product catalogue.

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Kerning

In typography, the reduction in spacing between two letters (uppercase and lowercase letters) for aesthetic reasons so that the squares they occupy overlap. Letter combinations for which kerning is used include “To” or “Va”.

Keyword

The term or phrase used with search engines or data bases to define a search.

Klíc, Karel (1841–1926)

The Czech painter and graphic artist who invented helio engraving and copper gravure or rotogravure. After years of developing the technique, Klíc unveiled helio engraving in 1878 in Vienna, where it was adopted as a method for photochemically producing etched copper printing plates based on photographs.

Knockout

The section of an image that has been removed. When two colors overlap, they usually do not print on top of each other. The bottom color is “knocked out of” or removed from the area where the overlapping occurs. Knockout type is usually text that is knocked out of a dark background so that the type appears in the same color as the paper. See also "trapping".

Koenig, Johann Friedrich Gottlob (1774-1833)

The inventor of the flatbed cylinder press, the first major development in printing technology since Gutenberg. At the end of 1806, Koenig moved to London where five years later he would develop the flatbed cylinder press. By 1913 he had substantially increased press speed by using two impression cylinders, which meant that the carriage holding the printing form could be used in both directions.

Kurzweil, Raymond

Born in New York in 1948, an inventor, scientist and entrepreneur whose theories and creations have had far reaching impact. Kurzweil studied computer engineering and literature at the Massachusetts Institute of Technology (MIT). His work has given rise to a range of inventions, including electronic musical instruments (synthesizers), reading machines for the blind, voice-recognition systems and a machine that instantly translates from English into German. In the 90s Kurzweil published controversial books that often focused on the evolution of technology and the implications for humanity in the future.

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