subatomic

[ suhb-uh-tom-ik ]

adjective

, Physics.

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

subatomic

/ ˌsʌbəˈtɒmɪk /

adjective

1. of, relating to, or being a particle making up an atom or a process occurring within atoms

   the electron is a subatomic particle

2. having dimensions smaller than atomic dimensions

subatomic

1. A descriptive term for objects and events within the atom .

Word History and Origins

Origin of subatomic¹

First recorded in 1900–05; sub- + atomic

Example Sentences

Turns out Williamsburg is not the best place to learn about subatomic particles.

From The Daily Beast

Well, today physicists peering into the infinitely small realms of subatomic particles find reaffirmations of religious faith.

From Project Gutenberg

Related Words

• atomic