Tabloid: a page half the size of a broadsheet.

Tack: that property, governed by viscosity and adhesion, which renders a film of printing ink sticky to the touch.

TIFF (Tagged Image File Format): a common format for interchanging digital information, generally associated with greyscale or bitmap data.

Tags: the various formats which make up a style sheet- paragraph settings, margins and columns, page layouts, hyphenation and justification, widow and orphan control and automatic section numbering.

Template: a standard layout usually containing basic details of the page dimensions.

Text Wrap: see Runaround.

Thermography: a print finishing process producing a raised image imitating die stamping. The process takes a previously printed image which before the ink is dry is dusted with a resinous powder. The application of heat causes the ink and powder to fuse and a raised image is formed.

Thirty Two Sheet: a poster size measuring 120in x 160in (3048mm x 4064mm).

Threaded or Chained (US): see Pipelining.

Thumbnails: the first ideas or sketches of a designer noted down for future reference.

Tints: mechanical shading in line areas, normally available in 5% steps from 5% to 95%.

Tip In: the separate insertion of a single page into a book either during or after binding by pasting one edge.

Trapping: the ability to print one ink over the other.

Trim: the cutting of the finished product to the correct size. Marks are incorporated on the printed sheet to show where the trimming is to be made.

Twin Wire: paper which has an identical smooth finish on both sides.

Typeface: the raised surface carrying the image of a type character cast in metal. Also used to refer to a complete set of characters forming a family in a particular design or style.

Typo (US): an abbreviation for typographical error. An error in the typeset copy.