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Accordion
Fold
When a sheet of paper is folded in alternating
directions almost like steps.
Aqueous
Coat
A heavy, durable coating that can be applied
to paper; much like a laminate.
Barrel
Fold
Folding a sheet two or more times in the same
direction.
Bleed
A printed image that extends beyond the edge
of the paper.
Blind
Deboss
A strong letterpress impression of an uninked
image on the front surface of a piece of paper.
The image is recessed.
Blind
Emboss
A strong letterpress impression of an uninked
image on the back of a sheet of paper. The image
is raised.
Blueline
Negatives are combined with light sensitized
paper and exposed to an arc light. The result
is a positive proof of the image in a blue tone
to indicate color separation, register and position.
Color
separation
Refers to a process in which a multi-colored
or continuous tone artwork is divided by photographic
filtration or electronic scanners into the four
process colors for reproduction.
Di-cut
In a commercial print job, steel cutting rules
are bent to the desired shape of the cut and
the press then cuts out that image.
Dull
Varnish
A medium that creates a velvety surface which
scatters and diffuses light to reduce glare.
Images have a softer look than those printed
on paper without varnish or overprinted with
gloss varnish. Also makes the colors in an image
more subtle.
Emboss
The overall design or pattern impressed in paper
when passed between metal rolls engraved with
the desired pattern. Produced on a special embossing
machine after the paper has dried to create
finishes such as linen.
Engraving
To cut words or images into the surface of a
metal or stone.
Foil
Stamping
A method of applying a metallic, gloss or matte
colored sheet of plastic onto a printed image.
Foil will adhere to the image and create a sticker
effect.
Fold
To bend a piece of paper and crease it to make
at least four panels.
Four
Color Process
The process of full color printing based on
the separation of images into the four printing
colors - cyan, yellow, magenta, and black.
Gate
Fold
Folding a sheet in two or more places to create
a "gate" effect. As if opening two
doors.
Gloss
Varnish
Gloss varnish creates a surface that appears
smoother than the surface of the ink/paper combination
that it overprints. Gloss varnished images appear
sharper because the light reflected through
the clear varnish film reached the eye with
little diffusion.
Gutter
The term used to describe the area of a page
in a book that extends into the spine.
Letterpress
Printing from a plate with raised characters
or images; relief printing.
Lithography
A printing process where an image is photographically
transferred to an oil (ink) sensitive metal
plate that will accept the ink but repel water.
The non-image areas will repel the ink and the
image is transferred onto a cylinder and then
to the chosen surface.
Overall
Varnish
A coating of varnish that covers the entire
page.
PMS
Pantone Matching System. A widely used system
of color specification by number.
Perfect
Bind
A method of binding most commonly used in magazines
or multi-paged books in which the pages are
trimmed and glued, not sewn.
Press
Approval
Viewing the job on the press (aka:press run)
for quality assurance purposes.
Printers
Proof
The final proofing stage of the project provided
by a printer, prior to going on press.
Registration
The fitting, in exact alignment of two or more
printed images on the same surface.
Saddle-stich
A method of binding commonly used in brochures
or smaller publications where a continuous wire
is used to form staples in the fold of the spine
of the book.
Satin
Varnish
A medium that creates a satin-like surface which
scatters and diffuses light to reduce glare.
Images have a softer, smoother look than those
printed on paper without varnish or overprinted
with gloss varnish. Also makes the colors in
an image more natural.
Score
To crease the fold lines with a blunt instrument
and a straight edge. Heavy paper requires scoring
before it can be folded cleanly and accurately.
Signature
A group of pages (AKA: a form), printed on one
sheet of paper, folded for binding.
Silk
Screen
A method of printing where ink is pushed through
a stencil on a screen. This method can be used
on many different surfaces.
Spot
Varnish
A technique where varnishes are applied to certain
areas of an image to give an illusion of depth,
bring extra attention to a specific area, or
to show the different surface qualities of the
objects in the image.
Thermography
A printing process that imitates dye stamping.
The raised image is produces by using a very
thick sticky ink which is dusted with a fine
powder before being heated to fuse it to the
paper.
Tinted
Varnish
Tinted varnish provides a clear yet subtle image
with delicate or muted colors.
Work
and Turn
Both sides of the press sheet are printed from
the same form. After half of the total impressions
are printed, the sheet is turned over and the
run is completed. Printed sheets are cut in
half before folding.
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