Subatomic and Subatomic particle

Subatomic adjective - Of or relating to constituents of the atom or forces within the atom.

Subatomic particle and subatomic are semantically related. In some cases you can use "Subatomic particle" instead a noun "Subatomic".

Subatomic particle noun - A body having finite mass and internal structure but negligible dimensions.

Subatomic and subatomic particle are semantically related. Sometimes you can replace term "Subatomic" with "Subatomic particle", this terms are similar.