atom Every atom is composed of a nucleus and one or more electrons bound to the nucleus. The nucleus is made of one or more protons and a number of neutrons. Only the most common variety of hydrogen has no neutrons. Every solid, liquid, gas, ...

is a basic unit of matter consisting of a nucleus within a cloud of one or more electrons. Atom(s) may also refer to:

Mathematics

* Atom (time), a medieval unit of time *

Atom (measure theory) In mathematics, more precisely in measure theory, an atom is a measurable set which has positive measure and contains no set of smaller positive measure. A measure which has no atoms is called non-atomic or atomless. Definition Given a measurable s ...

, a minimal measurable set *

Atom (order theory) In the mathematical field of order theory, an element ''a'' of a partially ordered set with least element 0 is an atom if 0 < ''a'' and there is no ''x'' such that 0 < ''x'' < ''a''. Equivalently, one may define an atom to be an element that is < ...

Atomic formula In mathematical logic, an atomic formula (also known as an atom or a prime formula) is a formula with no deeper propositional structure, that is, a formula that contains no logical connectives or equivalently a formula that has no strict subformu ...

, a single predicate in first-order logic * Atom, a

urelement In set theory, a branch of mathematics, an urelement or ur-element (from the German prefix ''ur-'', 'primordial') is an object that is not a set, but that may be an element of a set. It is also referred to as an atom or individual. Theory There ...

in set theory

Computing

Hardware

Intel Atom Intel Atom is the brand name for a line of IA-32 and x86-64 instruction set ultra-low-voltage processors by Intel Corporation designed to reduce electric consumption and power dissipation in comparison with ordinary processors of the Intel Co ...

, a line of microprocessors *

Atom (system on chip) Atom is a system on a chip (SoC) platform designed for smartphones and tablet computers, launched by Intel in 2012. It is a continuation of the partnership announced by Intel and Google on September 13, 2011 to provide support for the Andro ...

, an Intel system on chip platform for smartphones and tablets *

Acorn Atom The Acorn Atom is a home computer made by Acorn Computers Ltd from 1980 to 1982, when it was replaced by the BBC Micro. The Micro began life as an upgrade to the Atom, originally known as the Proton. The Atom was a progression of the MOS Techn ...

, an early 1980s home computer

Software

Atom (standard) The name Atom applies to a pair of related Web standards. The Atom Syndication Format is an XML language used for web feeds, while the Atom Publishing Protocol (AtomPub or APP) is a simple HTTP-based protocol for creating and updating web re ...

, an XML-based web syndication format * Atom (programming language), a programming language for real-time embedded software *

Atom (text editor) Atom is a free and open-source text and source code editor for macOS, Linux, and Microsoft Windows with support for plug-ins written in JavaScript, and embedded Git Control. Developed by GitHub, Atom is a desktop application built using web ...

, a programming text editor developed by GitHub * Atoms, a fundamental scalar data type in the Lisp programming language, see Lisp (programming language)#Atoms * A synonym for symbol in some programming languages

Transport

Ariel Atom The Ariel Atom is a road-legal high performance open-wheel car made by the British Ariel Motor Company based in Crewkerne, Somerset, England, and under license in North America by TMI Autotech, Inc. at Virginia International Raceway in Alton, ...

, a high performance sports car * Aston Martin Atom, a 1939 prototype car * ATOM (IFV), an infantry fighting vehicle jointly developed by Russia and France *

Ozone Atom The Ozone Atom is a French single-place paraglider that was designed by hang gliding and paragliding world champion pilot Robbie Whittall and produced by Ozone Gliders of Le Bar-sur-Loup. It remained in production as the Ozone 3 in 2016.Bertran ...

, a French paraglider design

Literature

* ''Atom'' (Asimov book), 1991 nonfiction book by Isaac Asimov * ''Atom'' (Krauss book), 2001 nonfiction book by Lawrence M. Krauss *

Atom (character) The Atom is a name shared by five superheroes appearing in American comic books published by DC Comics. The original Golden Age of comic books, Golden Age Atom, Atom (Al Pratt), Al Pratt, was created by writer Bill O'Connor and artist Ben Flin ...

, several fictional comic book superheroes from the DC Comics universe *'' Atom: The Beginning'', Japanese manga series *

Captain Atom Captain Atom is a superhero appearing in American comic books, first in the 1960s by Charlton Comics before being acquired in the 1980s by DC Comics. Captain Atom has existed in three basic incarnations. Publication history Captain Atom was crea ...

, a Charlton Comics superhero * Atom, the narrator of '' The History and Adventures of an Atom'' satire by Tobias Smollett

Music

Atom™ Uwe H. Schmidt (born 27 August 1968), also known as Atom™, Atom Heart, or Señor Coconut, is a German composer, musician and producer of electronic music. He is often regarded as the father of electrolatino, electrogospel, and aciton musi ...

, an alias of the German musician Uwe Schmidt (born 1968) * ''Atom'', an album by Moonbeam * ''A.T.O.M'' (album), an album by Carbon/Silicon * "Atom", a song by

British Sea Power Command of the sea (also called control of the sea or sea control) is a naval military concept regarding the strength of a particular navy to a specific naval area it controls. A navy has command of the sea when it is so strong that its rival ...

* "Atom," a song by Cannibal Ox from ''

The Cold Vein ''The Cold Vein'' is the debut studio album by American hip hop duo Cannibal Ox. It was produced by El-P and released on his Definitive Jux label on May 15, 2001. The album has since been reissued by iHipHop Distribution. Release ''The Cold Vei ...

'' *

Atomi Atomi (trans. ''The Atoms'') were a Yugoslav rock band formed in Zagreb in 1961. They were one of the pioneers of the Yugoslav rock scene. Heavily influenced by The Shadows, Atomi were arguably the first instrumental rock band in Yugoslavia. The ...

, a Yugoslav rock band

People

* Atom (martyr), a Christian martyr *

Arthur Thomson (fanzines) Arthur Thomson (1927–1990) was a British artist and writer, a highly regarded member of British science fiction fandom from the 1950s onwards, both as a fanzine writer/editor and prolific artist (under the name "ATom"). Resident illustrator for t ...

or ATom (1927–1990), British science fiction artist and writer *

Atom Araullo Alfonso Tomas Pagaduan Araullo (; born October 19, 1982), professionally known as Atom Araullo, is a Filipino journalist, model, television presenter, triathlete, occasional actor, and radio host. Araullo is a national Goodwill Ambassador for ...

, a Filipino broadcast journalist *

Atom Egoyan Atom Egoyan (; hy, Աթոմ Եղոյեան, translit=Atom Yeghoyan; born July 19, 1960) is a Canadian filmmaker. He was part of a loosely-affiliated group of filmmakers to emerge in the 1980s from Toronto known as the Toronto New Wave. Egoyan ...

, a Canadian stage and film director, writer and producer *

Maxwell Atoms Adam Maxwell Burton, known professionally as Maxwell Atoms, is an American animator, screenwriter, storyboard artist, and voice actor. He is the creator of the Cartoon Network series '' Grim & Evil'' and its subsequent spin-offs, ''The Grim Adve ...

(born 1974), American animator

Sports teams

Philadelphia Atoms The Philadelphia Atoms were an American soccer team based out of Philadelphia that played in the North American Soccer League (NASL). They played from 1973 to 1976, at Veterans Stadium (1973–75) and Franklin Field (1976). The club's colors wer ...

, American soccer team (1973–1976) *

Philadelphia Atoms SC The Philadelphia Atoms were an American professional soccer team based out of Glenside, Pennsylvania that played in the American Soccer League (ASL). They were named after, and claimed the heritage of, the original Philadelphia Atoms that ...

, American soccer team (founded 2017) * Jersey City Atoms , a former American basketball team *

Tri-City Atoms The Tri-City Atoms were a minor league baseball team located in Kennewick, Washington. The Atoms, unique in name, were one of many team names to represent Tri-City. The Tri-Cities in southeastern Washington, which include Kennewick, Richland, a ...

, various American minor league baseball teams from Washington * Pohang Atoms, a former name of the Pohang Steelers, Korean association football team * Atoms, the sports teams of

Annandale High School Annandale High School is a public high school in Annandale, Virginia, United States. It is part of the Fairfax County Public Schools system. The school's student body has been well-recognized for its high level of racial and cultural diversity ...

in Virginia

Film and television

* ''A.T.O.M.'' (TV series), a toy line or its associated animated series *

Atom.com Atom.com (formerly AtomFilms) was a broadband entertainment network offering original short subject movies, animations, and series by independent creators. The company was founded in 1998 in Seattle by Mika Salmi. Sequoia Capital, led by Michae ...

, a former on-line video producer, formerly AtomFilms ** ''

Atom TV Every atom is composed of a nucleus and one or more electrons bound to the nucleus. The nucleus is made of one or more protons and a number of neutrons. Only the most common variety of hydrogen has no neutrons. Every solid, liquid, gas, and ...

'', a television series featuring content from Atom.com * Springfield Atoms, the fictional football team from Springfield in ''The Simpsons'' * ''The Atom'' (1918 film), a 1918 silent film directed by Frank Borzage

Other uses

* ''Atom'' (video game), a 1983 educational game for the TRS-80 * Atom Bank, a digital finance company *

Ancient Teachings of the Masters Ancient Teaching of the Masters (ATOM) was an American religious group founded by Darwin Gross in 1983. Darwin Gross was an American Army veteran, vibraphone musician, and religious leader. For ten years, he was idolised as the spiritual and corp ...

, a new religious movement * The ''Atom'' (sculpture), in Pendle, Lancashire, England * A British publisher owned by

Little, Brown Book Group Little, Brown Book Group is a UK publishing company created in 1992, with multiple predecessors. Since 2006 Little, Brown Book Group has been owned by Hachette UK, a subsidiary of Hachette Livre. It was acquired in 2006 from Time Warner of New ...

* An object lacking proper parts; see * Atoms (brand), a footwear brand