This glossary of printing terms was created by people working in today's printing industry and is brought to you by MirPrint.com . It has been revised and edited and we have rewritten some technical descriptions in every day language to help the non technical person. Any suggestions that you may have on how we can improve this glossary will be carefully considered. Please send your comments and any new definitions to us at MirPrint.com.

• Gang

  The term Gang can refer to grouping images, photographs, or other original art together for shooting negative or color separations, rather than making each exposure separately. It can also mean the running of two or more printing jobs simultaneously. ...   Read More

• Gate Fold

  In a Gate Fold the left and right edges of the paper fold inward with parallel folds and meet in the middle of the page without overlapping. The paper might be folded again down the middle so that the folded edges meet and a fold is created in center panel ...   Read More

• Ghost Halftone

  A Ghost Halftone is an image comprised of a series of very small dots whose density has been reduced to produce a very faint image. ...   Read More

• Ghosting

  Ghosting is an offset printing defect characterized by the appearance of faint replicas of printed images in undesirable places, produced in one of two ways. Mechanical ghosting is characterized by the appearance of a "phantom" image on the printed side of the sheet; it appears during printing and is easily ...   Read More

• Gloss

  Gloss refers to the quality of a paper that causes it to appear shiny. When light hits a paper's surface, the orientation of the reflected light rays (or specular reflectance) determines a paper's gloss. A paper that has undergone extensive calendering, supercalendering, or coating, or has had its surface highly ...   Read More

• Gloss Ink

  Gloss Ink is a variety of printing ink produced with an additional quantity of varnish that allows the ink to dry with a highly glossy finish, typically by oxidation and polymerization. High gloss inks achieve their best results when used on paper (typically coated paper) that allows a high degree ...   Read More

• Grade

  Grade is a method of categorizing different types of paper by size, weight, pulp composition, manufacturing procedure, thickness, and end use. There are hundreds of different paper grades and sub-grades. ...   Read More

• Gray Balance

  Grey Balance refers to combinations of cyan, magenta, and yellow inks which produce neutral shades of gray. Improper proportions of any of these colorants will result in one particular dominant hue, which may or may not be desirable. Regardless, it is necessary to ensure a consistency of the gray balance ...   Read More

• Gray Scale

  A Grey Scale is a thin strip of paper or film containing 15:20 shades of gray, increasing in density (typically in a logarithmic, not linear, fashion) from white to black, used to analyze and optimize the contrast of color and black-and-white images. Gray scales come in a variety of different forms, ...   Read More

• Grind Edge

  Grind Edge is an alternative term for the The edge of a printed sheet or paper web on which binding is to occur. ...   Read More

• Gripper Edge

  Gripper Edge means the edge of a sheet of paper passing through a sheet-fed press containing the gripper margin, or, in other words, that edge of the sheet which is grasped by the grippers of the press. The term gripper edge also refers to the edge of a wraparound printing plate ...   Read More