The word "subatomic" refers to things that are smaller than atoms. It describes tiny particles that make up atoms, like protons, neutrons, and electrons. Full definition
Beatsplosion uses Kinect for Xbox One to transport players into the crazy world of subatomic particles in search of a Unified Field Theory — by smashing everything into smithereens. (lifeisxbox.eu)
Different sciences treat the world at different levels ranging, for example, from the level of subatomic particles, through molecules and cells, to the level of human behavior. (religion-online.org)
How «real» are entities such as quarks, and to what extent should they be regarded simply as artificial models and analogies to help us try to understand the incomprehensible subatomic world? (newscientist.com)