atomic_theory has definitions from the fields of chemistry,physics
1
[ noun ] (physics) a theory of the structure of the atom
2
[ noun ] (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles

Examples

"the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe"

Related terms

holism theory chemistry

3
[ noun ] (chemistry) a theory in which matter consists of atoms
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