Glossary of Terms: G – H
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Type of Paper |
| G | |
| Ganging | The combining of two or more different printing projects on the same sheet of paper. |
| Gate fold | A three or four panel fold where the two outside panels fold inward to meet in the center. In an open gate fold, there are three panels, the bottom of which is twice the size of the folded panels. In a closed gatefold, there are four panels of roughly equal size where the outer panels are folded inward together. |
| Ghosting | Also known as gloss ghosting. A condition occurring during the printing process when vapors from drying ink on one side of a press sheet interact chemically with dry ink or blank paper on sheets in contact with or on the reverse side of the same sheet creating unintended faint images. |
| Grain | Paper fibers lie in a similar direction in a sheet of paper. This direction is called the grain. Printing is usually done so that if folding is required, the fold is done parallel to the grain. |
| Gravure | A printing process using recessed areas on a metal cylinder that hold the ink. |
| Gripper | A series of metal fingers that hold each sheet of paper as it passes through a printing press. |
| Gripper edge | The side of a piece of paper held by the gripper fingers as it passes through a printing press. Nothing can be printed in this area. |
| Gutter | A blank space or margin between components on a printed piece or press sheet. |
| H | |
| Halftone | Using small dots to produce the impression of a continuous-tone image. The effect is achieved by varying the dot size and the number of dots per square inch. |
| Halftone screen | A sheet of film or glass containing ruled right-angled lines, used to translate the full tone of a photo to the halftone dot image required for printing. |
| Hickey | The effect that occurs when a spec of dust or debris (frequently dried ink) adheres to the printing plate and creates a spot or imperfection in the printing. |
| Highlights | The lightest tones of a photo, printed halftone or illustration. In the finished halftone, these highlights are represented by the finest dots. |
| Hot melt | An adhesive used in some binding processes, which requires heat for application. |
| House sheet | This is a term that refers to a paper that a printer keeps on hand in their shop. |
| > I | |
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