Archive | May, 2010

Vocabulary: May 21

21 May


Backlap: In screen printing, a very heavy, rough application of color or one side of a print, which is caused by color pulling though the screen behind the squeegee at the beginning of the printing stroke.

Bounce: In lithography, an abnormal reaction to compression, which results in erratic rotational movement of the press cylinders, causing missed or imperfect impressions.


Vocabulary: May 20

20 May

Acid: (1) In lithography, a dampering solution ingredient that enables gum arabic to cling to the nonimage areas of the plate. (2) Perchloride of iron used to etch gravure cylinders. Alternative Term: etchant

Antifoaming Agent: An additive that disperses bubbles that may form in offset dampening solutions or screen printing inks during printing. Antifoaming agents are also added to plate developers and processors.

Vocabulary: May 19

19 May


Tone: The degree of lightness or darkness in any given area of a print. Alternative term: tone value.

Typography: The art and craft of creating and/ or setting type professionally.

Vocabulary: May 18

18 May


Stroke: (1) Any part of a character that can be drawn with one movement. (2) The act of cutting in changes or corrections to the original, standing film or paper.

Tertiary: Those colors obtained by mixing two secondary colors.

Vocabulary: May 17

17 May


Pi Font: A collection of miscellaneous type characters, mathematical symbols, accent marks, and technical symbols that are not part of a normal type font.

Run Down: A proofreading term meaning to break or end a line as noted, forcing the remainder down to the next line.

Vocabulary: May 7

7 May


Original: Any artwork, mechanical, photograph, object, or drawing that is submitted to be reproduced in the photomechanical process.

Panel Printing: A solid block of color, ink,or foil, which is used as a background for other printed or stamped material and sometimes surrounded by a decorative border.

Vocabulary: May 6

6 May


Matrix: (1) An arrangement of typesetting characters in a case or font grid. (2) In hot-metal typesetting, the molds from which relief metal type characters are formed by pouring or pressing hot metal. (3) In flexographic platemaking, the mold cast from a metal engraving into thermosetting materials from which a rubber flexo plate is shaped.

Mount: (1) To secure the page elements to a layout board. (2) To fasten the plate or blanket to an offset press. (3) The wood or metal base on which a letterpress printing plate is permanently fastened for use on a press.