Transition or transitional may refer to:
Mathematics, science, and technology
Biology
- 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
Gender and sex
- Gender transition, the process of changing one's gender presentation to accord with one's internal sense of one's gender – the idea of what it means to be a man or woman
- Gender-affirming therapy, the physical aspect of a gender transition
- Gender-affirming surgery, surgical intervention a part of medical gender affirmation
Physics
- Phase transition, a transformation of the state of matter; for example, the change between a solid and a liquid, between liquid and gas or between gas and plasma
- Quantum phase transition, a phase transformation between different quantum phases
- Quantum Hall transitions, a quantum phase transition that occurred because of the quantum Hall effect
- Transition radiation, contrasts to the Cherenkov radiation
- Atomic electron transition, the transition of an electron from one quantum state to another within an atom
- Beta decay transition, nuclear beta decay determined by changes in spin
- Laminar–turbulent transition, the process of a laminar fluid flow becoming turbulent
- Glass transition, the reversible transition in amorphous materials
- Lambda transition, universality class in condensed matter physics
Chemistry
- 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
Computing
- A movement between states of an abstract computer, described by a transition system
- A phase of the project lifecycle in the Rational Unified Process
- A paradigm describing changes of communication mechanisms, see Transition (computer science)
Other uses in technology
- Transitions, a brand of photochromic eyeglass lens and sponsor of the PGA Tour Transitions Championship
- Transition (roadable aircraft), a flying car (or drivable airplane) made by Terrafugia
- "Shifting gears" on a railroad locomotive; see Diesel locomotive#Propulsion system operation
Government and politics
- Democratic transition
- Transition management (governance)
- Social change, often synonymous with social transition
- Peaceful transition of power a norm or practice in democratic governments, of transitions of power between different political parties
- United States presidential transition, the transfer of federal executive branch power from the incumbent President of the United States to the president-elect
- Brexit withdrawal agreement#Transition period
Arts and entertainment
Literature
- Transition (fiction), a narrative element or general aspects of writing style that signal changes in a story
- Transition (linguistics), a certain word, expression, or other device that gives text or speech greater cohesion by making it more explicit
Works
- transition (literary journal) (1927-1938), an experimental literary journal that featured surrealist, expressionist, and Dada art and artists
- Transition (literary journal) (1948–1950), a revival of the above-mentioned literary journal
- Transition (novel), a novel by Iain Banks
- Transitions (novel series), a novel series by R A Salvatore
- Transition Magazine, a political and literary journal published from 1961 to 1976 on the African continent, and revived in 1991 in the United States
- Transitions Online, Czech publisher of the Transitions news journal
- Transition, a novel by Vonda N. McIntyre 1990
- The Transition Weapons of Choice, the failed military experiment in John Birmingham's trilogy Axis of Time
Film, radio, and television
- Film transition, a method of juxtaposing two scenes, including:
- Wipe (transition), a type of film transition where one shot replaces another by travelling from one side of the frame to another or with a special shape
- Dissolve (filmmaking), a gradual transition from one image to another
- Transitions (film), the world's first IMAX film in 3D
- Transition (1989 film), a film by the Iranian director Kamal Tabrizi
- Transition (2023 film), a documentary film
- Transitions (radio show), a weekly two-hour radio show on Kiss 100 in the UK
- "Transitioning" (Glee), an episode of US television series Glee
- "Transitions" (Law & Order: Special Victims Unit episode), an episode of US television series Law & Order: Special Victims Unit
- "Transition" (The West Wing), an episode of US television series The West Wing
- "Transitions" (The Wire), an episode of US television series The Wire
- "Transitions", an episode of US television series Without a Trace
Music
- Transition (music), the middle passage of a piece of music
- Transition (band), English indie rock band
Albums
- Transition (John Coltrane album), 1970
- Transition (The First Edition album), 1971
- Transition (Buddy Rich Lionel Hampton album), 1974
- Transition (John Miles album), 1985
- Transition (Fly to the Sky album), 2006
- Transition (Ryan Leslie album), 2009
- Transition (Chipmunk album), 2011
- Transition (Steve Lukather album), 2013
- Transitions (John Digweed album), 2006
- Transitions (Aghora album), 2006
- Transitions (Westbound Train album), 2006
- Transitions (EP), 2010 by Canadian post-hardcore band Silverstein
Songs
- "Transition", by Pestilence from Obsideo, 2013
- "Transition", by Theatre Of Tragedy from Forever Is the World, 2009
- "The Transition", by Hawthorne Heights from The Silence in Black and White, 2004
- "Transitions", by Beastie Boys from Ill Communication, 1994
- "Transitions", by Zao from The Crimson Corridor, 2021
Other arts
- Transitional Style, of furniture and interior design
Sport
- Transition (grappling), in grappling is a move from one grappling hold or grappling position to another
- Transitions Championship, a men's professional golf tournament on the PGA Tour
Other uses
- Transition Glacier, a glacier on the east coast of Alexander Island
- Care transition, wherein a patient changes health care provider
See also
- All pages with titles beginning with Transition
- All pages with titles containing Transition
- Change (philosophy), broadly synonymous
- The Transition (disambiguation)
- Transition function (disambiguation)
- Fade (disambiguation)
- Gradient (disambiguation)
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