subatomic

[ suhb-uh-tom-ik ]
/ ˌsʌb əˈtɒm ɪk /

adjective Physics.

of or relating to a process that occurs within an atom.
noting or pertaining to a particle or particles contained in an atom, as electrons, protons, or neutrons.

Origin of subatomic

First recorded in 1900–05; sub- + atomic

Example sentences from the Web for subatomic

British Dictionary definitions for subatomic

subatomic
/ (ˌsʌbəˈtɒmɪk) /

adjective

of, relating to, or being a particle making up an atom or a process occurring within atoms the electron is a subatomic particle
having dimensions smaller than atomic dimensions

Medical definitions for subatomic

subatomic
[ sŭb′ə-tŏmĭk ]

adj.

Of or relating to the constituents of the atom.
Having dimensions or participating in reactions characteristic of the constituents of the atom.

Cultural definitions for subatomic

subatomic

A descriptive term for objects and events within the atom.