Word: decompression
Part of speech: Noun
Syllables: de
com
pres
sion
Definition: The restoration to atmospheric pressure of a person who has spent time under higher pressure (such as a diver)
Morphemes:
Affix: de-
Language: en
PoS: Prefix
Meaning: Intensifying; make more intense, stronger, or more marked; 
Etymology Compounds: Affix: dē-
Language: la
Decoded: de-
PoS: Prefix
Meaning: de-
Affix: compress
Language: en
PoS: Noun
Meaning: A multiply folded piece of cloth, a pouch of ice etc., used to apply to a patient's skin, cover the dressing of wounds, and placed with the aid of a bandage to apply pressure on an injury.
Etymology Compounds: Affix: com-
Language: la
Decoded: com-
Meaning: together
Affix: premō
Language: la
Decoded: premo
Meaning: press
Affix: -ion
Language: en
PoS: Suffix
Meaning: an action or process, or the result of an action or process
Etymology Compounds: Affix: -iō
Language: la
Decoded: -io
PoS: Suffix
Meaning: Used to form abstract nouns from verbs.