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Novato, CA 94949

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Resources

Glossary Of Terms

We take great pride in making our clients feel confident about their jobs during the production process. To help you gain a better understanding of what’s happening to your project, we’ve compiled a glossary of terms that we commonly use in our industry.

  • Accordion Fold

    A type of paper folding in which each fold runs in the opposite direction to the previous fold creating a pleated or accordion effect.

  • Artwork

    Any materials or images that are prepared for graphic reproduction.

  • Ascender

    Any part of a lower case letter which rises above the main body of the letter such as in "d", "b" and "h".

  • Background

    That portion of a photograph or line art drawing that appears furthest from the eye; the surface upon which the main image is superimposed.

  • Basis Weight

    Basis or basic weight refers to the weight, in pounds, of a ream (500 sheets) of paper cut to a given standard size for that particular paper grade.

  • Binding

    Various methods of securing folded sections together and or fastening them to a cover, to form single copies of a book.

  • Bleed

    Extra ink area that crosses trim line, used to allow for variations that occur when the reproduction is trimmed or die-cut.

  • Bond

    A grade of durable writing, printing and typing paper that has a standard size of 17x22 inches.

  • Book

    A general classification to describe papers used to print books; its standard size is 25x38 inches. A printed work which contains more than 64 pages.

  • Bristol Board

    A board paper of various thickness; having a smooth finish and used for printing and drawing.

  • Caliper

    The measurement of thickness of paper expressed in thousandths of an inch or mils.

  • Camera Ready

    A term given to any copy, artwork etc., that is prepared for photographic reproduction.

  • Cast Coated

    A paper that is coated and then pressure dried using a polished roller which imparts an enamel like hard gloss finish.

  • Coated Stock

    Any paper that has a mineral coating applied after the paper is made, giving the paper a smoother finish.

  • Collate

    To gather sheets or signatures together in their correct order. (see Gather)

  • Copy

    Refers to any typewritten material, art, photos etc., to be used for the printing process.

  • Cover

    A term describing a general type of papers used for the covers of books, pamphlets etc.

  • Creep

    When the rubber blanket on a cylinder moves forward due to contact with the plate or paper. Result of added thickness of folded sheets being behind one another in a folded signature. Outer edges of sheets creep away from back most fold as more folded sheets are inserted inside the middle.

  • Crop

    To eliminate a portion of the art or copy as indicated by crop marks.

  • Crop Mark

    Markings at edges of original or on guide sheet to indicate the area desired in reproduction with negative or plate trimmed (cropped) at the markings.

  • Cutting Die

    Sharp edged device, usually made of steel, to cut paper, cardboard, etc., on a printing press.

  • Descender

    A term that describes that portion of lower case letters which extends below the main body of the letter, as in "p".

  • Die

    Design, letters or shapes, cut into metal (mostly brass) for stamping book covers or embossing. An engraved stamp used for impressing an image or design.

  • Die Cutting

    A method of using sharp steel ruled stamps or rollers to cut various shapes i.e. labels, boxes, image shapes, either post press or in line. The process of cutting paper in a shape or design by the use of a wooden die or block in which are positioned steel rules in the shape of the desired pattern.

  • Die Stamping

    An intaglio process for printing from images engraved into copper or steel plates.

  • Digital Proof

    Color separation data is digitally stored and then exposed to color photographic paper creating a picture of the final product before it is actually printed.

  • Drill

    The actual drilling of holes into paper for ring or comb binding.

  • Dull Finish

    Any matte finished paper.

  • Em

    A unit of measurement equaling 12 points or 4.5mm.

  • Embossed

    A method of paper finishing whereby a pattern is pressed into the paper when it is dry.

  • Embossing

    To raise in relief a design or letters already printed on card stock or heavy paper by an uninked block or die. In rubber and plastic plate making the process is usually done by heat.

  • Exposure

    That stage of the photographic process where the image is produced on the light sensitive coating.

  • Finish

    The surface quality of paper. (ie. Dull - (low gloss) also matte or matte gloss.)

  • Fold Marks

    Markings at top edges that show where folds should occur.

  • Ganging

    The bundling of two or more different printing projects on the same sheet of paper.

  • Gathering

    Assembling sheets of paper and signatures into their proper sequence; collating.

  • Grain

    Direction of fibers in a sheet of paper governing paper properties such as increased size changes with relative humidity, across the grain, and better folding properties along the grain.

  • House Sheet

    This is a term that refers to a paper that a printer keeps on hand in his shop.

  • Imposition

    Arrangement of pages so that they print correctly on a press sheet, and the pages are in proper order when the sheets are folded.

  • Impression

    Product resulting from one cycle of printing machine. The pressure of the image carrier, whether it be the type, plate or blanket, when it contacts the paper.

  • Index Bristol

    A relatively thick paper stock; basis size---25 1/2 x 30 1/2.

  • Indicia

    Markings pre-printed on mailing envelopes to replace the stamp.

  • Inserts

    Extra printed pages inserted loosely into printed pieces.

  • Jog

    To physically manipulate a stack of pages so that they are tightly aligned.

  • Jogger

    Vibrating, sloping platform that evens up the edges of stacks of paper.

  • Kraft

    A coarse unbleached paper used for printing and industrial products.

  • Layout

    A rendition that shows the placement of all the elements, roughs, thumbnails etc., of the final printed piece before it goes to print.

  • M weight

    The actual weight of 1000 sheets of any given size of paper.

  • Make Ready

    Process of adjusting final plate on the press to fine tune or modify plate surface.

  • Margin

    Imprinted space around edge of page.

  • Matte Finish

    A coated paper finish that goes through minimal coating.

  • Moire

    An undesirable halftone pattern produced by the incorrect angles of overprinting halftone screens.

  • Natural

    A term to describe papers that have a color similar to that of wood; also called cream, off-white or ivory.

  • Offset

    The most commonly used printing method, whereby the printed material does not receive the ink directly from the printing plate but from an intermediary cylinder called a blanket which receives the ink from the plate and transfers it to the paper.

  • Offset Lithography

    Indirect printing method in which the inked image on the press-plate is first printed onto a rubber blanket, then in turn offsets the inked impression on to the sheet of paper.

  • Offset Paper

    A term for uncoated book paper.

  • Opacity

    Quality of papers that defines its opaqueness or ability to prevent two-sided printing from showing through.

  • Opaque

    A quality of paper that allows relatively little light to pass through.

  • Over Run

    Surplus of copies printed.

  • Overprinting

    Any printing that is done on an area that has already been printed.

  • Overset

    Type that is set in excess of the allotted space.

  • Parent Sheet

    A sheet that is larger than the cut stock of the same paper.

  • Perfect Binding

    Binding process where backs of sections are cut off, roughened and glued together, and rung in a cover.

  • Pica

    Standard of measurement, 1/6 inch. 1 pica = 12 points 72 points = 1 inch

  • Plastic Comb

    A method of binding books whereby holes are drilled on the side closest the spine, and a plastic grasping device is inserted to hold the pages together.

  • Ppi

    Pixels per inch.

  • Primary Colors

    In printing the four primary colors are cyan (blue), magenta (red), yellow and black.

  • Proof

    Impression from composed type or blocks, taken for checking and correction, from a lithographic plate to check accuracy of layout, type matter, tone and color reproduction.

  • Ream

    500 sheets of paper.

  • Register Marks

    Any crossmarks or other symbols used on layout to assure proper registration.

  • Right Angle Fold

    A term that denotes folds that are 90 degrees to each other.

  • Safety Paper

    A paper that shows sign of erasure so that it cannot be altered or tampered with easily.

  • Scaling

    The enlargement or reduction of an image or copy to fit a specific area.

  • Score

    Impressions or cuts in flat material to facilitate bending or tearing.

  • Self Cover

    A cover made out of the same paper stock as the internal sheets.

  • Show Through

    A problem that occurs when the printing on one side of a sheet is seen from the other side.

  • Side Stitching

    Stitching where the wire staples pass through the pile of sections or leaves gathered upon each other and are clinched on the underside.

  • Spine

    Back edge of a book.

  • Spiral Bind

    A binding whereby a wire or plastic is spiraled through holes punched along the binding side.

  • Spot Color

    Small area printed in a second color.

  • Spread

    A film image that is larger than the original image to accommodate ink trapping. Reference, trapping

  • Step And Repeat

    A process of generating multiple images by taking an image and stepping it according to a predetermined layout.

  • Stock

    A term for unprinted paper or other material to be printed.

  • Synthetic Papers

    Any petroleum based waterproof papers with a high tensile strength.

  • Tag

    A dense, strong paper stock.

  • Text

    A high quality printing paper.

  • Thermography

    A printing process whereby slow drying ink is applied to paper and while the ink is still wet, it is lightly dusted with a resinous powder. The paper then passes through a heat chamber where the powder melts and fuses with the ink to produce a raised surface.

  • Ticket Envelope

    Envelopes used mostly for theater tickets, with no other particular usage.

  • Tooth

    The rough surfaced finish of papers such as vellum or antique.

  • Trim Marks

    Marks placed on the sheet to indicate where to cut the page.

  • Up

    A term used to describe how many similar sheets can be produced on a larger sheet; two up, four up, etc.

  • Vellum

    A finish of paper that is rough, bulky and has a degree of tooth.

  • Watermark

    A translucent logo that is embossed during the papermaking process while the paper slurry is on the dandy roll. Reference, dandy roll

  • Wire Stitching Or Stapling

    To fasten together sheets, signatures, or sections with wire staples. 3 methods... saddle stitching, side stitching, and stabbing.

  • Wove

    A smooth paper made on finely textured wire that gives the paper a gentle patterned finish.

  • Writing Paper

    Another name for bond paper.

  • Yield Value

    The actual amount of force needed to start an ink flowing.