A paper property that measures the extent to which a paper will retain its original color, brightness, and whitenesswith exposure to light. Various chemical constituents in paper pulp reduce its lightfastness, in particular the …
Lightweight Paper
Formerly called bible paper, lightweight papers include a variety of different types of low-thickness, high-opacitypapers used in bibles, handbooks, dictionaries, encyclopedias, and other uses that require low bulk or low weight …
Line Screen
Alternate term for a halftone screen. See Screen.
Lossless
Any data compression algorithm that will reduce the size of a particular file with no—or no appreciable—loss of data. (See also Lossy.) See Data Compression.
Lossy
Any data compression algorithm that will reduce the size of a particular file with varying degrees of data loss. (See also Lossless.) See Data Compression.
Low-Res
See Low-Resolution.
Low-Res File
See Low-Resolution File.
Low-Resolution
Descriptive of an image—either on a computer display or in printed form—that has a low number of dots—or pixels—per square inch. On computer screens and digital output devices, images are essentially …
Low-Resolution File
Alternate term for coarse data file. See Coarse Data File.
Lumen
A unit of measurement of a light source, 12.6 of which equal one candle. See Candle.
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