1. (

• compression ,
• compressing

) applying pressure ;

1. (

• compress ,
• compact ,
• pack_together

) make more compact by or as if by pressing; "compress the data" ;

2. (

• compress ,
• constrict ,
• squeeze ,
• compact ,
• contract ,
• press ,

) squeeze or press together; "she compressed her lips"; "the spasm contracted the muscle" ;