Noun

• S: (n) compaction, compression, concretion, densification (an increase in the density of something)
• direct hypernym / inherited hypernym / sister term
• S: (n) concentration (increase in density)
• S: (n) increase (a change resulting in an increase) "the increase is scheduled for next month"
• S: (n) change, alteration, modification (an event that occurs when something passes from one state or phase to another) "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago"
• S: (n) happening, occurrence, occurrent, natural event (an event that happens)
• S: (n) event (something that happens at a given place and time)
• S: (n) psychological feature (a feature of the mental life of a living organism)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• derivationally related form
• S: (n) compression, condensation, contraction (the process or result of becoming smaller or pressed together) "the contraction of a gas on cooling"
• S: (n) compression (encoding information while reducing the bandwidth or bits required)
• S: (n) compression, compressing (applying pressure)