Printing Terms Glossary

Warm Color – A descriptive term for a color with a yellow or red cast.

Washup – The process of cleaning ink and fountain solutions from rollers, fountains, screens, and other press components.
 
Waste – Unusable paper or paper damaged during normal makeready, printing or binding operations, as compared to spoilage.

Waterless Printing – A specialized technique of offset printing which uses plates having a silicone rubber coating in non-image areas that is printed on a press with no dampening system.
 
Watermark – A paper term which referrs to a translucent logo in paper created during manufacturing by slight embossing from a dandy roll while paper is still approximately 90 percent water.

Web – A roll of paper that is used in web printing.
 
Web Break – A split of the paper as it travels through a web press, causing operators to rethread the press.
 
Web Gain – Unacceptable stretching of paper as it passes through the web press.
 
Web Printing – A classification of offset printing which uses presses that print from rolls of paper, usually cutting it into sheets after printing. Web presses come in many sizes, the most common being mini, half, three quarter (also called 8-pages) and full (also called 16-pages).

Web Tension – The amount of pull or tension applied in the direction of travel of a web of paper by the action of a web press.

Wet Trap – To print ink or varnish over wet ink, as compared to dry trap.

WF – Wrong Font. A proofreading mark indicating a letter or figure of the wrong size or face.

Widow – A typesetting term referring to a single word or part of a word on a line by itself, ending a paragraph or starting a page. Generally avoided.
 
Window – (1) In a printed product, a die-cut hole revealing an image on the sheet behind it. (2) On a mechanical, an area that has been marked for placement of a piece of artwork.

Wire-O Binding – A method of booklet binding which uses a continuous double series of wire loops which run through punched slots alonf the binding edge of a booklet.
 
Wire Side – A paper term referring to the side of the paper that rests against The Fourdrinier wire during papermaking, opposite of the felt or top side.

With the Grain – Folding or feeding paper into a press with the grain of the paper being parallel to the blade of the folder or to the axis of the impression cylinder. See also Grain Direction.
 
Woodfree Paper – A paper term referring to paper that is made with chemical pulp only.
 
Working Film – Intermediate film that will be duplicates to make final film after all corrections are made. Also referred to as buildups.
 
Wove Paper – A paper term referring to a type of paper that is manufactured without visible wire marks, usually a fine textured paper with a soft, smooth finish.
 
Wrong Reading – An image that is backwards when compared to the original. Also referred to as flopped or reverse reading.

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4795 Oakland Street • Denver, Colorado 80239 • (303) 371-2345 • Fax (303) 371-2444

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