subatomic
Relating to particles that are constituents of the atom, or are smaller than an atom; such as proton, neutron, electron, etc.
Other meanings
Relating to something that is smaller in scale than the diameter of a hydrogen atom.
“The electron microscope is able to resolve detail at the subatomic level.”
Related words
- subatomics
Where this comes from
This definition is adapted from “subatomic” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.