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atomic theory
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Quick answer
As a noun, atomic theory means a theory of the structure of the atom.
Meanings of atomic theory
2 meaningsnoun
A theory of the structure of the atom
(chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles
“the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe”
Similar: atomism, atomist theory, atomistic theory
Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).
Synonyms by meaning
noun: (chemistry) any theory in which all matter is composed of…