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Transition or transitional may refer to:

Government and economics[edit]

  • Transition economy, an economy which is changing from a centrally planned economy to a free market
  • Transitional government, an emergency or interim government set up when a political void has been created by the collapse of a very large government
  • Spanish transition to democracy after the death of Francisco Franco
  • Transition (outsourcing), the process of migrating knowledge, systems, and operating capabilities from an outsourcing environment to an in-house staff
  • Transition towns, a grassroots network of communities that are working to build resilience in response to peak oil, climate destruction, and economic instability

Mathematics, science, and technology[edit]


  • Transition (genetics), a point mutation that changes a purine nucleotide to another purine (A ↔ G) or a pyrimidine nucleotide to another pyrimidine (C ↔ T)
  • Transitional fossil, any fossilized remains of a lifeform that exhibits the characteristics of two distinct taxonomic groups
  • A phase during childbirth contractions during which the cervix completes its dilation



  • Transition metal, either an element whose atom has an incomplete d sub-shell, or any element in the d-block of the periodic table
  • Transition state, of a chemical reaction is a particular configuration along the reaction coordinate
  • SRM transition, the precursor and product ion pair in Selected reaction monitoring (SRM) in analytical chemistry


Other uses in technology[edit]

Arts and entertainment[edit]


  • Transition (fiction), a narrative element or general aspects of writing style that signal changes in a story
  • Transitions (linguistics), certain words, expressions, or other devices that give text or speech greater cohesion by making it more explicit


Film, radio, and television[edit]





Other arts[edit]

  • Transitional Style of furniture and interior design, either modern or referring to mid-18th Century French furniture


Other uses[edit]

See also[edit]