Definition of subatomic Subatomic

/sʌˌbʌtɑˈmɪk/ - [subutamik] - sub•a•tom•ic

We found 4 definitions of subatomic from 2 different sources.

What does subatomic mean?

Adjective
subatomic - of smaller than atomic dimensions
subatomic - of or relating to constituents of the atom or forces within the atom; "subatomic particles"; "harnessing subatomic energy"

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subatomic (Adjective)
Relating to particles that are constituents of the atom, or are smaller than an atom; such as proton, neutron, electron, etc.
subatomic (Adjective)
Relating to any length or mass that is smaller in scale than a the diameter of a hydrogen atom.