An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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compaction
  همپکش  
hampakeš
Fr.: compactage  

  1. The act of compacting or the state of being compacted.

    1. Geology: The physical process whereby the volume of a fixed mass of sediment reduces either by the weight of overlying deposits or by the pressure of earth movements.

See also: → compact; → -tion.