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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



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.


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.


(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.
References in periodicals archive ?
The aim of this white paper is to highlight the possible compressed air savings, and when looking at all of the options, eliminating leaks in the compressed air network is one of the most important consideration.
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.
Currently, METPOINT(r) OCV is the only online measuring method for the residual oil vapour content in compressed air that is certified by TUV (German technical inspection association).
Investigate any bowl feeders using compressed air and minimize the use.
Compressed Resin Dryer (CARD) is a patented new approach to drying resins, which makes use of the inherently low dewpoint of compressed air to produce a low-cost and low-maintenance drying system.
If somehow a metadata record could not be created or there was a problem with a compressed image, that information was entered in an Excel spreadsheet for a substitute record.
When one compresses an elastomer to a given strain at room temperature, the initial load will depend on the rate at which it is compressed, after which the load will decrease over time to an equilibrium elastic load.
This new Code clearly identifies best practice for using compressed air within such processes.
Compressed air was not being consumed and the horsepower was reduced from 125 to 60 HP.
Compressed natural gas, liquid natural gas or diesel could be partnered with hybrid vehicles.
The evaluation also found a large air leak and some inefficient uses of compressed air.
Compressed video makes that possible by allowing students to attend a university that is hours away from a site that is located near the students' home.