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1. WordNet® 3.0 (2006) |
compression
n 1: an increase in the density of something [syn: compaction,
compression, concretion, densification]
2: the process or result of becoming smaller or pressed
together; "the contraction of a gas on cooling" [syn:
compression, condensation, contraction]
3: encoding information while reducing the bandwidth or bits
required [ant: decompression]
4: applying pressure [syn: compression, compressing] [ant:
decompressing, decompression]
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2. The Collaborative International Dictionary of English v.0.48 |
Compression \Com*pres"sion\, n. [L. compressio: cf. F.
compression.]
1. The act of compressing, or state of being compressed.
"Compression of thought." --Johnson.
[1913 Webster]
2. (Computers) reduction of the space required for storage
(of binary data) by an algorithm which converts the data
to a smaller number of bits while preserving the
information content. The act of compressing [3].
Note: Compression may be lossless compression, in which all
of the information in the original data is preserved,
and the original data may be recovered in form
identical to its original form; or lossy compression,
in which some of the information in the original data
is lost, and decompression results in a data form
slightly different from the original. Lossy
compression is used, for example, to compress audio or
video recordings, and sometimes images, where the
slight differences in the original data and the data
recovered after lossy compression may be
imperceptable to the human eye or ear. The JPEG
format is produced by a lossy compression algorithm.
[PJC]
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3. The Free On-line Dictionary of Computing (30 December 2018) |
compression
compaction
uncompression
1. (Or "compaction") The coding of data to save
storage space or transmission time. Although data is already
coded in digital form for computer processing, it can often be
coded more efficiently (using fewer bits). For example,
run-length encoding replaces strings of repeated characters
(or other units of data) with a single character and a count.
There are many compression algorithms and utilities.
Compressed data must be decompressed before it can be used.
The standard Unix compression utilty is called compress
though GNU's superior gzip has largely replaced it. Other
compression utilties include pack, zip and PKZIP.
When compressing several similar files, it is usually better
to join the files together into an archive of some kind
(using tar for example) and then compress them, rather than
to join together individually compressed files. This is
because some common compression algorithms build up tables
based on the data from their current input which they have
already compressed. They then use this table to compress
subsequent data more efficiently.
See also TIFF, JPEG, MPEG, Lempel-Ziv Welch,
"lossy", "lossless".
<Compression FAQ>.
<Web Content Compression FAQ>.
Usenet newsgroups: <news:comp.compression>,
<news:comp.compression.research>.
2. Reducing the dynamic range of an audio signal,
making quiet sounds louder and loud sounds quieter. Thus,
when discussing digital audio, the preferred term for reducing
the total amount of data is "compaction". Some advocate this
term in all contexts.
(2004-04-26)
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Thesaurus Results for compression:
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1. Moby Thesaurus II by Grady Ward, 1.0 |
abbreviation, abridgment, abstract, agglutination, apocope, astriction, astringency, bottleneck, cervix, circumscription, clamping, clamping down, clumping, clustering, coarctation, compactedness, compaction, compressure, concentration, concretion, condensation, consolidation, conspectus, constriction, constringency, contraction, contracture, crush, curtailment, decrease, densification, diminuendo, elision, ellipsis, epitome, foreshortening, hardening, hourglass, hourglass figure, isthmus, knitting, narrow place, narrowing, neck, nip, pinch, precis, press, pressure, puckering, pursing, recap, recapitulation, reduction, retrenchment, shortening, solidification, squeeze, squeezing, stranglement, strangulation, striction, stricture, summary, summation, syncope, synopsis, systole, telescoping, tightening, truncation, tweak, wasp waist, wrinkling |
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Common Misspellings > |
compression ocompression ocmpression cocmpression ompression ccompression cmopression comopression cmpression coompression copmression compmression copression commpression comrpession comprpession comression comppression comperssion comprerssion compession comprression comprsesion compresesion comprssion compreession compresssion compresion compresssion compresison compressison compresion compresssion compressoin compressioin compresson compressiion compressino compressiono compressin compressioon compressinon compressio compressionn sompression csompression scompression dompression cdompression dcompression fompression cfompression fcompression xompression cxompression xcompression vompression cvompression vcompression ompression c ompression compression c9mpression co9mpression c9ompression c(mpression co(mpression c(ompression c0mpression co0mpression c0ompression cimpression coimpression ciompression cpmpression copmpression cpompression ckmpression cokmpression ckompression clmpression colmpression clompression campression cempression cumpression cojpression comjpression cojmpression cokpression comkpression cokmpression colpression comlpression colmpression conpression comnpression conmpression co pression com pression co mpression com0ression comp0ression com0pression com)ression comp)ression com)pression comoression comporession comopression comlression complression comlpression comp4ession compr4ession comp4ression comp$ession compr$ession comp$ression comp5ession compr5ession comp5ression compeession compreession comperession comptession comprtession comptression compdession comprdession compdression compfession comprfession compfression compgession comprgession compgression compr3ssion compre3ssion compr3ession compr#ssion compre#ssion compr#ession compr4ssion compre4ssion compr4ession comprwssion comprewssion comprwession comprrssion comprerssion comprression comprsssion compresssion comprsession comprdssion compredssion comprdession comprfssion comprefssion comprfession comprassion comprission comprossion comprussion compreqqion compresqqion compreqqsion comprewwion compreswwion comprewwsion compreeeion compreseeion compreeesion compreaaion compresaaion compreaasion compreddion compresddion compreddsion comprezzion compreszzion comprezzsion comprexxion compresxxion comprexxsion compreccion compresccion compreccsion compre ion compres ion compre sion compress8on compressi8on compress8ion compress*on compressi*on compress*ion compress9on compressi9on compress9ion compressuon compressiuon compressuion compressoon compressioon compressoion compressjon compressijon compressjion compresskon compressikon compresskion compresslon compressilon compresslion compressaon compresseon compressi9n compressio9n compressi9on compressi(n compressio(n compressi(on compressi0n compressio0n compressi0on compressiin compressioin compressiion compressipn compressiopn compressipon compressikn compressiokn compressikon compressiln compressioln compressilon compressian compressien compressiun compressiog compressiong compressiogn compressioh compressionh compressiohn compressioj compressionj compressiojn compressiob compressionb compressiobn compressiom compressionm compressiomn compressio compression compressio n Definition commonly spelled as: Defanition or Defenition, Synonym as: Synonim, Sinonym or Sinonim, Thesaurus as: Thesorus or Thesauris, Dictionary as: Dictionery or Dictionry and Define is usually not misspelled. What does mispell meen? It Meens...
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