Antonyms of noun compression

2 of 4 senses of compression

Sense 3
compression -- (encoding information while reducing the bandwidth or bits required)
       Antonym of decompression (Sense 1)
      => decompression -- (restoring compressed information to its normal form for use or display)

Sense 4
compression, compressing -- (applying pressure)
       Antonym of decompression (Sense 2)
      => decompression, decompressing -- (relieving pressure (especially bringing a compressed person gradually back to atmospheric pressure))

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun compression

4 senses of compression

Sense 1
compaction, compression, concretion, densification -- (an increase in the density of something)
       => concentration -- (increase in density)

Sense 2
compression, condensation, contraction -- (the process or result of becoming smaller or pressed together; "the contraction of a gas on cooling")
       => shrinking, shrinkage -- (process or result of becoming less or smaller; "the material lost 2 inches per yard in shrinkage")

Sense 3
compression -- (encoding information while reducing the bandwidth or bits required)
       => encoding, encryption -- (the activity of converting data or information into code)

Sense 4
compression, compressing -- (applying pressure)
       => press, pressure, pressing -- (the act of pressing; the exertion of pressure; "he gave the button a press"; "he used pressure to stop the bleeding"; "at the pressing of a button")