subatoms

/ˌsʌbˈæt.əmz/
noun
  1. Particles or components that are smaller than an atom; the plural of subatom.
    • In physics class, we learned about the behavior of subatoms in a magnetic field.
    • The model showed subatoms arranged in a complex pattern inside the atom.
    • The textbook explained how subatoms like electrons orbit the nucleus.
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