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 transitioning Gender transition is the process of changing one's gender presentation or sex characteristics to accord with one's internal sense of gender identity – the idea of what it means to be a man or a woman,Brown, M. L. & Rounsley, C. A. (1996) ''True ...

, 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 * Sex reassignment therapy, the physical aspect of a gender transition

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 Quantum Hall transitions are the quantum phase transitions that occur between different robustly quantized electronic phases of the quantum Hall effect. The robust quantization of these electronic phases is due to strong localization of electron ...

, 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 In nuclear physics, a beta decay transition is the change in state of an atomic nucleus undergoing beta decay. (β-decay) When undergoing beta decay, a nucleus emits a beta particle and a corresponding neutrino, transforming the original nuclide ...

, nuclear beta decay determined by changes in spin * Laminar–turbulent transition, the process of a laminar fluid flow becoming turbulent *

Glass transition The glass–liquid transition, or glass transition, is the gradual and reversible transition in amorphous materials (or in amorphous regions within semicrystalline materials) from a hard and relatively brittle "glassy" state into a viscous or rubb ...

, 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

* transition management (governance) * social change, often synonymous with social transition

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), an experimental literary journal that featured surrealist, expressionist, and Dada art and artists * ''Transition'' (novel), a novel by Iain Banks * ''Transitions'' (novel series), a novel series by R A Salvatore * ''

Transition Magazine ''Transition Magazine'' was established in 1961 by Rajat Neogy as ''Transition Magazine: An International Review''. It was published from 1961 to 1976 in various countries on the African continent, and since 1991 in the United States. In recent ye ...

'', 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 Vonda Neel McIntyre () was an American science fiction writer and biologist. Early life and education Vonda N. McIntyre was born in Louisville, Kentucky, the daughter of H. Neel and Vonda B. Keith McIntyre, who were born in Poland, Ohio. She s ...

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 * 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) Transition () is an English rock indie band from Bristol. They lend their style to the influence of U2, Radiohead and Jeff Buckley, and were voted amongst the Top Ten Bands in the UK on Channel 4's ''Slash Music Showcase''. Transition is made ...

, English indie rock band *

The Transitions The Transitions were an R&B group formed in the early 2000s in the United States. They were signed to the record label Universal Music Group. The group was hand-picked by veteran R&B artist Michael Bivins. Each member of the trio came to Bivins i ...

, American R&B group

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 * ''Transition'' (Nathan Stickman album), Nathan Stickman, 2016 * ''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 ''The Silence in Black and White'' is the debut studio album by the American rock band Hawthorne Heights, and their first release after changing their name from A Day in the Life. Background and recording Writing for the album commenced shortly a ...

'', 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

Politics

* 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.

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 Transition Glacier () is a glacier extending along the east coast of Alexander Island, 8 nautical miles (15 km) long and 2 nautical miles (3.7 km) wide, which flows east into the George VI Ice Shelf that occupies George VI Sound along t ...

, a glacier on the east coast of Alexander Island *

Care transition Transitional care refers to the coordination and continuity of health care during a movement from one healthcare setting to either another or to home, called care transition, between health care practitioners and settings as their condition and car ...

, wherein a patient changes health care provider