compression

Noun

• applying pressure

• encoding information while reducing the bandwidth or bits required

• the process or result of becoming smaller or pressed together
  • the contraction of a gas on cooling
    

• an increase in the density of something

Related words

• Synonyms: 
  compressing , condensation , contraction , compaction , concretion , densification
• Antonyms: 
  decompression , decompressing