compression definition, compression meaning | English dictionary

Collins

compression

  

      n  
1      (Also called)    compressure   the act of compressing or the condition of being compressed  
2    an increase in pressure of the charge in an engine or compressor obtained by reducing its volume  


compression-ignition engine  
      n   a type of internal-combustion engine, such as a diesel, in which ignition occurs as a result of the rise in temperature caused by compression of the mixture in the cylinder  
compression ratio  
      n   the ratio of the volume enclosed by the cylinder of an internal-combustion engine at the beginning of the compression stroke to the volume enclosed at the end of it  
English Collins Dictionary - English Definition & Thesaurus  
Collins

compression

  
  
condensation, consolidation, constriction, crushing, pressure, squeezing, wedging  

English Collins Dictionary - English synonyms & Thesaurus  

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