1. decompression relieving pressure
  2. compassion a deep awareness of and sympathy for another's suffering
  3. image compression the compression of graphics for storage or transmission
  4. compression the act of applying force
  5. nerve compression harmful pressure on a nerve
  6. Great Depression the economic crisis beginning with the stock market crash in 1929 and continuing through the 1930s
  7. reactive depression an inappropriate state of depression that is precipitated by events in the person's life (to be distinguished from normal grief)
  8. retarded depression a state of clinical depression in which the individual is lethargic and slow to initiate action
  9. manic depression a mental disorder characterized by episodes of mania and depression
  10. decompressing relieving pressure
  11. neurotic depression a term used for any state of depression that is not psychotic
  12. agitated depression a state of clinical depression in which the person exhibits irritability and restlessness
  13. depression a sunken or lowered geological formation
  14. trial impression (printing) an impression made to check for errors
  15. decompress restore something reduced in volume to its full volume
  16. double decomposition a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB)
  17. radio compass a direction finder that gives a bearing by determining the direction of incoming radio signals
  18. retrogression returning to a former state
  19. air compressor a compressor that takes in air at atmospheric pressure and delivers it at a higher pressure
  20. parenthetical expression an expression in parentheses