Atomic theory

noun

Definitions

Noun
  1. 1
    The theory that all gross matter is composed of atoms.
  2. 2
    (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles wordnet
  3. 3
    Any of several theories that explain the structure of the atom, and of subatomic particles.
  4. 4
    a theory of the structure of the atom wordnet

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