| Tack |
| The adhesive quality of inks. |
| Tag |
| A dense, strong paper stock. |
| Tensile Strength |
| A paper's ability to withstand pressure. |
| 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. |
| Through Drier |
| A slower drier that dries the ink throughout without forming a hard crust. |
| Ticket Envelope |
| Envelopes used mostly for theater tickets, with no other particular usage. |
| Tint |
| A halftone screen that contains all the same sized dots. |
| Titanium Oxide |
| A bright white pigment (opaque) used for printing on metal and flexible packaging. |
| Toluidine Red |
| A red pigment with poor bleed resistance. |
| Tooth |
| The rough surfaced finish of papers such as vellum or antique. |
| Transparent |
| Inks that do not block out the colored inks that they print over, but instead blend with them to create intermediate colors. |
| Trapping |
| The process of printing wet ink over printed ink which may be wet or dry. |
| Trim |
| The act of cutting down the paper in a final print job. |
| Trim Area |
| The portion of the paper that is cut off during trimming. |
| Trim Marks |
| Marks placed on the sheet to indicate where to cut the page. |
| Twin Wire Machine |
| Fourdrinier papermaking machines with two wires, instead of a wire and felt side. This assures higher quality when two sides are used for printing. |
| Two-sidedness |
| The difference in feel and appearance of either side of a sheet of paper due to the papermaking process having a felt and wire side. |
