Printing Terms Glossary
TAC – Total Area Coverage. A prepress term referring to the total of the dot percentages of the process colors in the final film. Also referred to as density of tone, maximum density, shadow saturation, total dot density and total ink coverage.
Tack – An ink term referring to the property of cohesion between particles relative to the separation force of ink required for proper transfer and image trapping on multi-color presses.
Tag
Board – A paper term referring to a grade of dense, strong paper
used for products such as badges and file folders.
Target Ink Densities –The densities of the four process inks (CMYK)
as recommended for various printing processes and grades of paper. See also
Total Area Coverage.
Template – A standard layout pertaining to a printing project’s
basic details in regard to its common dimensions and/or content.
Text
– The body matter of a booklet as distinguished from the cover.
Text Paper – A paper term referring to a designation for printing
papers with textured surfaces such as laid or linen. Some mills also use ‘text’
to refer to any paper they consider top-of-the-line, whether or not its surface
has a texture.
Thermography – A method of printing which uses a colorless resin
powder that takes on the color of underlying ink and produces a raised printed
image when exposed to heat lamps used in this printing process.
TIFF – Tagged Image File Format. A digital file format
used to store images from scanners and video devices.
Tint – The screening or addition of white to a solid color that
results in the lightening of that specific color.
Tolerances
– A general term referring to the specification of acceptable variations
in registration, ink density, dot gain or a variety of other variable printing
parameters.
Tone Compression – A prepress term used to describe the reduction
in the tonal range of an reproduced image from the original image.
Touch Plate – A spot color printing plate that accents or prints
a color that four-color process printing cannot reproduce. Also referred to
as a kiss plate.
Trade Shop – A service bureau, printer or bindery working primarily
for other graphic arts professionals, not for the general public.
Trap – A term referring to the printing one ink over another or
to print a coating, such as varnish, over an ink. The first liquid traps the
second liquid. See also Dry Trap and Wet Trap.
Trim Size – The size of the printed material in its finished state.
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