WordWeb Online

1. Applying pressure
   - compression

1. Make more compact by or as if by pressing
   "compress the data";
   - compact, pack together
    
2. Bring together or compress
   "she compressed her lips";
   - constrict, squeeze, compact, contract, press

Type of: force, press, pressing, pressure, sardine [informal], squash, squeeze, tighten, wedge

Antonym: decompress, decompressing

Encyclopedia: Compressing