| R |
| Ragged
Left: |
In
typesetting, type that is flush on the right margin and ragged on
the left.
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Ragged
Right: |
In
typesetting, type that is flush on the left margin and ragged on the
right.
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RAM:
|
(Random
Acces Memory) The memory a computer needs to store the information
it is processing at any given moment. This is short-term, temporary
memory.
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Raster
Image Processor: |
(RIP)
In digital imaging, a combination of computer software and hardware
that controls the printing process by calculating the bitmaps of images
and instructing a printing device to create the images. Most
PostScript systems use a hardware RIP built into the printer.
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Rasterization:
|
The
process of convertin mathmatical and digital information into a
series of dots by an imagesetter for the production of negative
or postive film.
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Ream:
|
Five
hundred sheets of paper.
|
Reducers:
|
In
printing inks, varnished, solvents, or oily or greasy compounds used
to reduce the consistency for printing. In photography, chemicals
used to reduce the density of negative or positive images or the size
of halftone dots(dot etching).
|
Reflection
Copy: |
In
photography, illustrative copy that is viewed and must be photographed
by light reflected from its surface. Examples are photographs,
drawings, etc.
|
Register:
|
In
printing, fitting of two or more printing images in exact alignment
with each other.
|
Register
Marks: |
Crosses
or other targets applied to original copy prior to photography. Used
for positioning films in register, or for register of two or more
colors in process printing.
|
Registration:
|
The exact placement of printed images and/or diecut labels on a sheet
or form.
|
Relative
Humidity (RH): |
The
amount of water vapor present in the atmosphere expresses as a percentage
of the maximum that could be present at the same temperature.
|
Release:
|
The act of freeing a pressure sensitive label from the liner or carrier.
This term also is related to the amount of tension needed to release
the label.
|
Removability:
|
Term applied to pressure sensitive labels describing force or condition
under which they can be reomoved from a surface.
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Repeat:
|
Same as Depth. The distance from the top of one label to the top of
the next label. Can also be the measurement from the left edge of
one label to the left edge of the label next to it.
|
Repeatablility:
|
The
ability to keep photo film and the images thereon in proper register.
Repeatability is usually measured in micrometers.
|
Reprography:
|
Copying
and duplicating.
|
Resist:
|
In
photomechanics, a light-hardened stencil to prevent etching of non-printing
areas on plates.
|
Resolution:
|
The
degree of percision - the quality, definition or clarity with which
an image is represented or displayed.
|
Respi
Screen: |
A
contact screen with 110-line screen ruling in the highlights and 220-line
in the middle tones and shadows to produce a longer scale and smoother
gradation of tones in the light areas of the copy.
|
Retrofit:
|
Backwards
integration of advanced capability into a device or program not originally
intended for that purpose.
|
Reverse:
|
An
area where the background is printed instead of the type and/or artwork.
|
Reverse
Angle Doctor Blade: |
In
flexography, similar to doctor blade in gravure except used with much
lighter pressure and a reverse angle on the anilox roll.
|
RGB(Red,
Green, Blue): |
The
primary additive colors used in display devices and scanners. Commonly
used to refer to the color space, micing system or monitor in color
computer graphics.
|
Right-angle
Fold: |
In
binding, a term denoting that the link does not adhere to the metal
ink rollers on a press.
|
RIP:
|
See
roster image processor.
|
Roll
Direction: |
As the name implies, the desired facing direction and/or wind of a
roll label product. There are a total of eight possibilities.
|
Roller
Stripping: |
In
lithography, a term denoting that the ink does not adhere to the metal
ink rollers on a press.
|
ROM:
|
(Read
Only Memory) The computer memory that can be read by the central processing
unit (CPU) of the computer, but cannot be altered. The part
of a computer's memory used to store programs that are seldom changed.
|
Rosette:
|
The
pattern created when all four color halftone screens are placed at
the traditional angles.
|
Rub-proof:
|
In
printing, an ink that has reached maximum dryness and does not mar
with normal abrasion.
|
Runaround:
|
In
composition, the term describing type set to fit around a picture
or other element of the design.
|
Runnability:
|
Paper
properties that affect the ability of the paper to run on the press.
|
Running
Head: |
A
headline or title repeated at the top of each page.
|
