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Compression vs Pressure - What's the difference?

compression | pressure |

As nouns the difference between compression and pressure

is that compression is an increase in density; the act of compressing, or the state of being compressed; compaction while pressure is a pressing; a force applied to a surface.

As a verb pressure is

to encourage or heavily exert force or influence.

compression

English

Noun

(en noun)
  • an increase in density; the act of compressing, or the state of being compressed; compaction
  • the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • (computing) the process by which data is compressed
  • * {{quote-web
    • , year = 2011 , author = Marcelo A. Montemurro & Damián H. Zanette , title = Universal Entropy of Word Ordering Across Linguistic Families , site = PLoS ONE , url = http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0019875 , accessdate = 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

    • Derived terms

    * compression ratio * compression wave * data compression

    Antonyms

    * decompression * rarefaction

    References

    *

    pressure

    English

    Noun

  • A pressing; a force applied to a surface.
    • Apply pressure to the wound to stop the bleeding.
  • A contrasting force or impulse of any kind
    • the pressure''' of poverty; the '''pressure''' of taxes; the '''pressure''' of motives on the mind; the ' pressure of civilization.
  • * (rfdate) (Macaulay)
    • Where the pressure of danger was not felt.
  • Distress.
    • She has felt pressure lately because her boss expects her to get the job done by the first.
  • * 1649 , (Eikon Basilike)
    • My people's pressures are grievous.
  • * (rfdate) (Atterbury)
    • In the midst of his great troubles and pressures .
  • Urgency
    • the pressure of business
  • (obsolete) Impression; stamp; character impressed.
  • * (rfdate) (Shakespeare)
    • All saws of books, all forms, all pressures past.
  • (physics) The amount of force that is applied over a given area divided by the size of this area.

    • Synonyms

    * (distress) affliction, grievance * (urgency)

    Derived terms

    * blood pressure * negative pressure * intraocular pressure * peer pressure * pressurize, pressurise * pressure altimeter * pressure altitude * pressure angle * pressure area * pressure atrophy * pressure bag * pressure bandage * pressure bar * pressure block * pressure cabin * pressure cable * pressure casting * pressure cell * pressure centre, pressure center * pressure chamber * pressure coefficient * pressure contour * pressure cooker * pressure decline * pressure deflection * pressure depth * pressure distillate * pressure distribution * pressure effect * pressure element * pressure epiphysis * pressure fan * pressure field * pressure flaking * pressure flip * pressure force * pressure gauge * pressure gradient * pressure group * pressure head * pressure hull * pressure hydrophone * pressure ice * pressure interface * pressure ionization * pressure jump * pressure line * pressure maintenance * pressure mark * pressure melting * pressure microphone * pressure mine * pressure naphtha * pressure of speech and pressured speech * pressure pad * pressure paralysis * pressure pattern * pressure penitente * pressure pickup * pressure pillow * pressure pipe * pressure point * pressure radius * pressure rating * pressure regulator * pressure ridge * pressure ring * pressure roll * pressure seal * pressure sense * pressure sensibility * pressure-sensitive * pressure solution * pressure sore * pressure suit * pressure survey * pressure tank * pressure tap * pressure tendency * pressure tube * pressure tunnel * pressure ulcer * pressure vector * pressure vessel * pressure viscosity * pressure washer * pressure wave * pressure welding * pressure zone * under pressure

    See also

    * (units of pressure) pascal (Pa); bar, barye (Ba); pounds per square inch (psi, lbf/in2, lb/in2), torr, mmHg, atmosphere (atm)

    Verb

    (pressur)
  • To encourage or heavily exert force or influence.
    • Do not let anyone pressure you into buying something you do not want.

    Anagrams

    * ----