compression
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English
Etymology
Borrowed from Middle French compression, from Latin compressiō.
Pronunciation
Noun
compression (countable and uncountable, plural compressions)
- An increase in density; the act of compressing, or the state of being compressed; compaction.
- (automotive) The cycle of an internal combustion engine during which the fuel and air mixture is compressed.
- (computing) The process by which data is compressed.
- 2011, Marcelo A. Montemurro, Damián H. Zanette, “Universal Entropy of Word Ordering Across Linguistic Families”, in PLoS ONE, retrieved 2012-09-26:
- Due to the presence of long-range correlations in language [21], [22] it is not possible to compute accurate measures of the entropy by estimating block probabilities directly. More efficient nonparametric methods that work even in the presence of long-range correlations are based on the property that the entropy of a sequence is a lower bound to any lossless compressed version of it [15]. Thus, in principle, it is possible to estimate the entropy of a sequence by finding its length after being compressed by an optimal algorithm. In our analysis, we used an efficient entropy estimator derived from the Lempel-Ziv compression algorithm that converges to the entropy [19], [23], [24], and shows a robust performance when applied to correlated sequences [25] (see Materials and Methods).
- (music) The electronic process by which any sound's gain is automatically controlled.
- (astronomy) The deviation of a heavenly body from a spherical form.
Antonyms
Derived terms
Translations
the act of compressing
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the cycle of an internal combustion engine during which the fuel and air mixture is compressed
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(computing) the process by which data is compressed
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(music) the electronic process by which any sound's gain is automatically controlled
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- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked
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References
French
Etymology
First known attestation 1314, borrowed from Latin compressiōnem.
Pronunciation
Audio (file)
Noun
compression f (plural compressions)
- compression (act, instance of compressing)
- compression (cycle of an internal combustion engine)
Further reading
- “compression”, in Trésor de la langue française informatisé , 2012.
Middle French
Etymology
Old French, borrowed from Latin compressiō.
Noun
compression f (plural compressions)
- compression (act, instance of compressing)
- 1585, Giovanni Marinelli, Thresor des remedes secrets pour les maladies des femmes, page 761:
- compression du ventre
- compression of the abdomen
Old French
Etymology
First known attestation 1314, borrowed from Latin compressiō.
Noun
compression oblique singular, f (oblique plural compressions, nominative singular compression, nominative plural compressions)
- compression (act, instance of compressing)