subatomic

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English[edit]

Pronunciation[edit]

Adjective[edit]

subatomic (not comparable)

  1. (physics) Relating to particles that are constituents of the atom, or are smaller than an atom; such as proton, neutron, electron, etc.
  2. Relating to any length or mass that is smaller in scale than a the diameter of a hydrogen atom.
    The electron microscope is able to resolve detail at the subatomic level.

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