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atomic heat
atomic mass
atomic mass unit
atomic number
atomic particle
atomic physics
atomic radius
atomic reactor
atomic theory
atomic veteran
atomic weight
atomicity
atomise, etc
atomism
atomize
atomizer
atomy
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atomic theory
a·tom·ic the·o·ry (plural a·tom·ic the·o·ries)


noun 
Definition:
 
theory that matter consists of atoms: any theory proposing that matter is composed of atoms
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