Inversion or inversions may refer to:


Natural sciences

Biology and medicine


  • Inversion (geology), the relative uplift of a previously basinal area resulting from local shortening, in structural geology
  • Relief inversion, when a previous depression becomes a landform that stands out from its surroundings
  • Seismic inversion, transforming seismic reflection data into a quantitative rock-property description of a geological formation

Physics and chemistry

  • Island of inversion, a group of elements with abnormal nuclear shell structure
  • Nitrogen inversion, a chemical process in which a trigonal nitrogen-containing structure turns inside-out
  • Population inversion, in statistical mechanics, when a system exists in state with more members in an excited state than in lower-energy states
  • Pyramidal inversion, a chemical process in which a trigonal structure turns inside-out
  • Sucrose inversion, a chemical reaction converting sucrose into glucose and fructose

Other uses in the natural sciences

Computer science

  • Priority inversion, the condition of a low-priority task holding a shared resource that a high-priority task needs

Linguistics and language

Mathematics and logic

Other uses

See also

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