atomic theory

noun
1. a theory of the structure of the atom
Hypernyms: ↑scientific theory
Hyponyms: ↑Bohr theory, ↑Rutherford atom
Part Holonyms: ↑nuclear physics, ↑atomic physics, ↑nucleonics
2. (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles
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the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe

Ant: ↑holism (for: ↑atomism)
Derivationally related forms: ↑atomistical (for: ↑atomism), ↑atomistic (for: ↑atomism)
Topics: ↑chemistry, ↑chemical science
Hypernyms: ↑theory

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aˌtomic ˈtheory [atomic theory] noun (chemistry, physics)
the theory that all elements are made up of small ↑particles called atoms which are made up of a central ↑nucleus surrounded by moving ↑electrons

Useful english dictionary. 2012.

Look at other dictionaries:

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  • atomic theory — n 1) a theory of the nature of matter: all material substances are composed of minute particles or atoms of a comparatively small number of kinds and all the atoms of the same kind are uniform in size, weight, and other properties called also… …   Medical dictionary

  • Atomic theory — Atomic A*tom ic, Atomical A*tom ic*al, a. [Cf. F. atomique.] 1. Of or pertaining to atoms. [1913 Webster] 2. Extremely minute; tiny. [1913 Webster] {Atomic bomb}, see {atom bomb} in the vocabulary. {Atomic philosophy}, or {Doctrine of atoms}, a… …   The Collaborative International Dictionary of English

  • atomic theory — n. the theory that all material objects and substances are composed of atoms, and that various phenomena are explained by the properties and interactions of these atoms …   English World dictionary

  • atomic theory — 1. Physics, Chem. any of several theories describing the structure, behavior, and other properties of the atom and its component parts. 2. Philos. atomism (def. 1). [1840 50] * * * ▪ physics       ancient philosophical speculation that all things …   Universalium

  • atomic theory — /əˌtɒmɪk ˈθɪəri/ (say uh.tomik thearree) noun 1. Physics, Chemistry the theory of the atom having a complex internal structure and electrical properties. 2. Physics the mathematical description of the behaviour of the electrons in the atom about… …   Australian English dictionary

  • atomic theory — n. theory explaining the structure of the atom; theory which asserts that all matter is comprised of atoms …   English contemporary dictionary

  • atomic theory — noun Date: 1814 1. a theory of the nature of matter: all material substances are composed of minute particles or atoms of a comparatively small number of kinds and all the atoms of the same kind are uniform in size, weight, and other properties 2 …   New Collegiate Dictionary

  • atomic theory — noun a) The theory that all gross matter is composed of atoms. b) Any of several theories that explain the structure of the atom, and of subatomic particles …   Wiktionary

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