atomist theory

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Noun1.atomist theory - (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"
theory - a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena; "theories can incorporate facts and laws and tested hypotheses"; "true in fact and theory"
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
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References in periodicals archive ?
The simple number schemes he favored for this purpose are more ancient than the atomist theory of Lucretius, and more obvious.
Not only did Lucretius explicate the basic hypotheses of the atomist theory, his vivid lines portrayed these early scientific ideas so powerfully that they lingered in the human collective memory and imagination for centuries.
In this view, an absolute center does not exist, but only a pluralism of relative centers distributed throughout a kind of "mega-verse." However, the reason for the formation of these separate kosmoi remains a lacuna, since the atomist theory of motion in the "vortex" does not seem to provide any internal regulatory reason why the universe would be constructed pluralistically; and one may pose the question that if each center is relative, what is it relative to if not to one absolute center?