5 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Compress \Com*press"\, v. t. [imp. & p. p. {Compressed}; p. pr &
vb n. {Compressing}.] [L. compressus p. p. of comprimere to
compress: com- + premere to press. See Press.]
1. To press or squeeze together; to force into a narrower
compass; to reduce the volume of by pressure; to compact;
to condense; as to compress air or water.
Events of centuries . . . compressed within the
compass of a single life. --D. Webster.
The same strength of expression, though more
compressed, runs through his historical harangues.
--Melmoth.
2. To embrace sexually. [Obs.] --Pope.
Syn: To crowd; squeeze; condense; reduce; abridge.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Compress \Com"press\, n. [F. compresse.] (Surg.)
A folded piece of cloth, pledget of lint, etc., used to cover
the dressing of wounds, and so placed as by the aid of a
bandage, to make due pressure on any part
From WordNet r 1.6 [wn]:
compress
n : a cloth pad or dressing (with or without medication) applied
firmly to some part of the body (to relieve discomfort or
reduce fever)
v 1: make more compact by or as if by pressing; "compress the
data" [syn: {compact}, {pack together}]
2: squeeze or press together; "she compressed her lips" [syn: {constrict},
{squeeze}, {compact}, {contract}, {press}]
From Jargon File (4.2.3, 23 NOV 2000) [jargon]:
compress [Unix] vt When used without a qualifier, generally
refers to {crunch}ing of a file using a particular C implementation
of compression by Joseph M. Orost et al and widely circulated via
{Usenet}; use of {crunch} itself in this sense is rare among Unix hackers.
Specifically, compress is built around the Lempel-Ziv-Welch algorithm
as described in "A Technique for High Performance Data Compression",
Terry A. Welch, "IEEE Computer", vol. 17, no 6 (June 1984), pp 8-19.
From The Free On-line Dictionary of Computing (13 Mar 01) [foldoc]:
compress
When used without a qualifier, generally
refers to {compression} of a file using a particular {C}
implementation of compression for {Unix} by Joseph M. Orost,
James A. Woods et al widely circulated via {Usenet}.
compress uses the {Lempel-Ziv Welch} {algorithm} and normally
produces files with the suffix ".Z".
Compress uses variable length codes. Initially, nine bit
codes are output until they are all used When this occurs,
ten bit codes are used and so on until an implementation
dependent maximum is reached.
After every 10 kilobytes of input the compression ratio is
checked. If it is descreasing then the entire string table is
discarded and information is collected from scratch.
Compress has been largely supplanted by {gzip}.
[{Jargon File}]
(2001-01-30)
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