Definitions for subatomicˌsʌb əˈtɒm ɪk
Random House Webster's College Dictionary
sub•a•tom•icˌsʌb əˈtɒm ɪk(adj.)
of or pertaining to a process that occurs within an atom.
Category: Physics
of or pertaining to particles contained in an atom, as electrons, protons, or neutrons.
Category: Physics
Origin of subatomic:
1900–05
Princeton's WordNet
subatomic(adj)
of or relating to constituents of the atom or forces within the atom
"subatomic particles"; "harnessing subatomic energy"
subatomic(adj)
of smaller than atomic dimensions
Wiktionary
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.
The electron microscope is able to resolve detail at the subatomic level.
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