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1. a wet or dry cloth or gauze pad with or without medication, applied firmly to some part of the body to relieve discomfort, reduce fever, drain a wound, etc.
2. a machine for packing material, esp cotton, under pressure
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a bandage used for healing purposes.

A dry compress (usually cotton-gauze) is applied to a painful or injured part of the body (wound, burn) to protect it from chilling and other external irritants and to absorb any discharges. Wet compresses may be either cold (lotion) or hot (poultice). A heating compress (a damp material covered with waterproof paper or oilcloth and a layer of cotton) is used with inflammatory processes as a revulsive and resorptive. A medicinal compress is one in which medicinal substances (ointments, pastes, novocain) are added to the water.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


To feed data through any compression algorithm.


The Unix program "compress", now largely supplanted by gzip.

Unix compress was written in C by Joseph M. Orost, James A. Woods et al., and was widely circulated via Usenet. It 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 decreasing then the entire string table is discarded and information is collected from scratch.
This article is provided by FOLDOC - Free Online Dictionary of Computing (


(1) To compact data to save space. See data compression and archive program.

(2) A Unix utility used to compress files. This is the perfect example of poor technical naming. When a common name is used to name a function, it becomes tedious to document the process. For example, "use gzip to compress the file instead of compress because..." See archive formats, tar, gzip and data compression.
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References in periodicals archive ?
Hi-line Industries provide a wide range of energy efficient compressed air equipment to meet ISO standards including compressed air dryers, nitrogen and oxygen generators, filtration equipment, condensate systems, heat regenerative adsorption dryers, membrane dryers, drains and service kits.
So what level of compressed air contamination is deemed acceptable in the food industry.
Fact: You install compressed air filtration to improve air quality.
When air is compressed, the pressure increases and volume decreases, and the amount of water it can hold is reduced.
Consequently, the performances of these signal processing tasks have close relation with SNR of the compressed measurements, which involves the energy of the compressed noise and the compressed signal.
As an additional measure to further enhance performance and energy efficiency, an F65 micro-filter can be installed to ensure the compressed air is absolutely free of particles, thus avoiding product contamination.
The compressed air map should include any and all open air lines used for the following, where compressed air costs more than simple alternatives:
* Investigate any bowl feeders using compressed air and minimize the use.
At this stage, the GEOMAP database was accessed in order to pull the compressed map catalog record using a GN number (all the scanned maps that were cataloged in GEOMAP database have this unique number).
In the compression set test, one measures the amount of the unrecovered strain of a sample after it has been compressed a certain amount, and exposed to a particular aging condition.
With this design, the A:S ratio could be increased by over 300%, while reducing horsepower by over 50% and eliminating the use of compressed air.
In response to high energy costs and potential incentives, Techni-Cast reviewed the compressed air system for potential energy-efficiency opportunities and worked with Accurate Air Engineering to perform a system-level review.