subatomic

As adjectives the difference between subatomic and undefined

is that subatomic is subatomic while undefined is lacking a definition or value.

As adjectives the difference between microscopic and subatomic

is that microscopic is of, or relating to microscopes or microscopy; microscopal while subatomic is relating to particles that are constituents of the atom, or are smaller than an atom; such as proton, neutron, electron, etc.

As adjectives the difference between subatomic and spinlike

is that subatomic is subatomic while spinlike is (physics) resembling subatomic spin.

As an adjective subatomic

is relating to particles that are constituents of the atom, or are smaller than an atom; such as proton, neutron, electron, etc.

As a noun quindecuplet is

a multiplet of fifteen subatomic particles.

In physics terms the difference between subatomic and acceleron

is that subatomic is relating to particles that are constituents of the atom, or are smaller than an atom; such as proton, neutron, electron, etc while acceleron is a suggested name for a hypothetical subatomic particle that is claimed to react with neutrinos to produce dark energy.

As an adjective subatomic

is relating to particles that are constituents of the atom, or are smaller than an atom; such as proton, neutron, electron, etc.

As a noun acceleron is

a suggested name for a hypothetical subatomic particle that is claimed to react with neutrinos to produce dark energy.

As an adjective subatomic

is subatomic.

As a noun astroparticle is

(astrophysics) a subatomic particle of cosmic origin.