elementary particles

1. The particles that make up the atom . The elementary particles include electrons and a large number of particles, including protons and neutrons , that exist inside the nucleus of atoms. Strictly speaking, the term elementary as applied to most of the particles in the nucleus is inaccurate, for scientists now believe that all the particles except electrons are made of still more elementary particles called quarks .

Notes

The study of elementary particles is one of the frontiers of modern physics and is associated with the building of particle accelerators .

Example Sentences

I should say how fundamental elementary particles acquire their mass.

From The Daily Beast

But nevertheless, even in questions as to the constitution of elementary particles, it retains part of its importance.

From Project Gutenberg

They are all alike composed of the same elementary particles—different compounds of the same primitive substance.

From Project Gutenberg

The behavior of the muon is well understood, but its role as one of the elementary particles is unknown.

From Project Gutenberg

Mesons are elementary particles intermediate in mass between the electron and proton.

From Project Gutenberg

That is, the relations between certain elementary particles of matter undergo a change, and submit to new combinations.

From Project Gutenberg