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atom

Overview page. Subjects: Chemistry.

The smallest part of an element that can exist. An atom is composed of a nucleus containing protons and neutrons surrounded by motile electrons. See also electron, proton, neutron,...

See overview in Oxford Index

Atomism

Zahirah Shakir.

in The Biographical Encyclopaedia of Islamic Philosophy

January 2006; p ublished online January 2010 .

Reference Entry. Subjects: Non-Western Philosophy. 315 words.

Atomism refers to the theory that matter, space and time can be all be divided into atoms, and that the

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atom

Overview page. Subjects: Computing.

A value that cannot be decomposed further. In Lisp an atom is a representation of an arbitrary string of characters or the special atom NIL, i.e. nothing. The word is also used as a...

See overview in Oxford Index

Atoms

Geoff Cottrell.

in Matter: A Very Short Introduction

March 2019; p ublished online March 2019 .

Chapter. Subjects: Physics. 2480 words.

‘Atoms’ describes how humans discovered that the world is composed of atoms, even though they are invisible to the unaided eye. Starting with the prescient ideas of the Ancient Greeks 2,500...

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Atoms

Gonzalo Rodriguez-Pereyra.

in Leibniz’s Principle of Identity of Indiscernibles

August 2014; p ublished online September 2014 .

Chapter. Subjects: History of Western Philosophy. 6095 words.

Leibniz gave three arguments against atoms based on the Identity of Indiscernibles, and these are studied in Chapter 11. The most interesting of these arguments and the strongest of them is...

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atom

Ian Ridpath.

in A Dictionary of Astronomy

January 2012; p ublished online January 2012 .

Reference Entry. Subjects: Astronomy and Astrophysics. 86 words.

The smallest part of a chemical element that can take part in a chemical reaction. An atom is composed of

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atom

Edited by John Daintith.

in A Dictionary of Chemistry

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Chemistry. 458 words.

The smallest part of an element that can exist chemically. Atoms consist of a small dense nucleus of protons and

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atom

John Daintith and Edmund Wright.

in A Dictionary of Computing

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Computing. 84 words.

A value that cannot be decomposed further. In *Lisp an atom is a representation of an arbitrary string of

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atom

Chris Park.

in A Dictionary of Environment and Conservation

January 2007; p ublished online January 2007 .

Reference Entry. Subjects: Conservation of the Environment (Environmental Science). 31 words.

The smallest part of an element that can exist. An atom is composed of a nucleus containing protons and neutrons

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atom

Chris Park and Michael Allaby.

in A Dictionary of Environment and Conservation

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Conservation of the Environment (Environmental Science). 31 words.

The smallest part of an *element that can exist. An atom is composed of a nucleus containing protons and

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atom

Chris Park and Michael Allaby.

in A Dictionary of Environment and Conservation

P ublished online January 2017 .

Reference Entry. Subjects: Conservation of the Environment (Environmental Science). 32 words.

The smallest part of an *element that can exist independently. An atom is composed of a nucleus containing protons

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atom

Marcel Escudier and Tony Atkins.

in A Dictionary of Mechanical Engineering

July 2019; p ublished online July 2019 .

Reference Entry. Subjects: Mechanical Engineering; Engineering and Technology. 418 words.

The smallest unit of matter that has the properties of a chemical element. The simplest description of an atom (...

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atom

in A Dictionary of Physics

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Physics. 461 words.

The smallest part of an element that can exist. Atoms consist of a small dense nucleus of protons and neutrons

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atom

Edited by Jonathan Law and Richard Rennie.

in A Dictionary of Physics

January 2015; p ublished online September 2015 .

Reference Entry. Subjects: Physics. 433 words.

The smallest part of an element that can exist. Atoms consist of a small dense nucleus of protons and neutrons

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Atomism

Edited by John L. Esposito.

in The Oxford Dictionary of Islam

August 2004; p ublished online November 2007 .

Reference Entry. Subjects: Islam; Society and Culture. 70 words.

A theory adopted in Sunni and Shii theology proposing that the world consists of two kinds of primary entities: atoms,

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atomism

in The Oxford Dictionary of the Middle Ages

January 2010; p ublished online January 2010 .

Reference Entry. Subjects: Medieval and Renaissance History (500 to 1500). 91 words.

The belief that extended magnitudes (for example, matter, time) are composed of atoms, be they minimal, extended particles (as in

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atom

in World Encyclopedia

P ublished online January 2004 .

Reference Entry. Subjects: General Studies. 149 words.

Smallest particle of matter that can take part in a chemical reaction, every element having its own characteristic atoms. The

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atom

Edited by Andrew Butterfield, Gerard Ekembe Ngondi and Anne Kerr.

in A Dictionary of Computer Science

January 2016; p ublished online January 2016 .

Reference Entry. Subjects: Computing. 78 words.

A value that cannot be decomposed further. In *Lisp an atom is a representation of an arbitrary string of characters or the special atom NIL, i.e. nothing. The word is also used as a...

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atomism

Catherine Osborne.

in Oxford Research Encyclopedia of Classics

P ublished online July 2015 .

Article. Subjects: Classical Philosophy. 1135 words.

Atomism, a term used of theories that posit the existence of small indivisible particles as the ultimate components of matter. The Greek term atomon, used by some ancient philosophers to...

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atom

Edited by Ian Ridpath.

in A Dictionary of Astronomy

P ublished online February 2018 .

Reference Entry. Subjects: Astronomy and Astrophysics; Astronomical Instrumentation, Methods, and Techniques; Galaxies. 87 words.

The smallest part of a chemical element that can take part in a chemical reaction. An atom is composed of a ...

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atomism

Edited by John Roberts.

in Oxford Dictionary of the Classical World

January 2007; p ublished online January 2007 .

Reference Entry. Subjects: Classical Studies. 979 words.

The term ‘atomism’ is used of theories that posit the existence of small indivisible particles as the ultimate components of matter. The Greek term ...

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