lacquer
A solvent-based solution
containing modifying agents that gives a glossy, durable finish
when applied to a substrate.
lenticular printing
A technology in which a
lenticular lens is used to produce images with an illusion of
depth, or the ability to change or move as the image is viewed from
different angles.
letter fold
Folding a printed piece
horizontally at least twice, in the same vertical direction,
thereby capturing the first fold in the second. The same effect is
achieved by rolling the sheet horizontally into a tube shape and
flattening the tube by creasing the two horizontal edges.
letterpress
A printing method where the areas
to be inked are higher than the non-printing areas. The inked areas
are then placed in contact with the material to be printed,
transferring the ink from the raised areas to the substrate. A
similar technique is used with rubber stamps. See also:
Flexography; relief plate; relief printing.
letterset
See dry offset.
line art
A drawing rendered in only 100%
black and 100% white, with no gray areas. (e.g., black lines drawn
on white substrate or a vector graphic produced by a computer
drawing, CAD, or illustration application.) See also: bitmap;
object-oriented; raster; vectors.
linen tester
A magnifying lens mounted in a
small frame that, when placed on the material to be viewed, stands
at a height equal to the focal length of the lens. Able to be
folded into a small, flat package that easily fits in a pocket, the
linen tester is often used in quality control to view small details
of an image. See also: loupe; magnifier.
lithography
An technique were the printing
plate's image area is specially treated to accept only ink and the
nonimage area is specially treated to only accept water. See also:
dry offset; gravure; offset gravure; offset printing.
live matter
Refers to the type characters of
piece to be printed.
loupe
An optical device containing a
precision ruler used to observe very small details. See also: linen
tester; magnifier.
lowercase
A term applied to letters of the
alphabet that are not capitalized.
lupe
See loupe.