noun Physics, Chemistry.
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Origin of proton
OTHER WORDS FROM protonpro·ton·ic, adjective
Example sentences from the Web for proton
The gravity is enough to squeeze atoms until electrons combine with protons to make neutrons.
In Arret the protons were negative, and the electrons positive.Devil Crystals of Arret|Hal K. Wells
The body is composed of atoms, and the atoms are electrical charges, protons and electrons.A Thought For Tomorrow|Robert E. Gilbert
These games differ in the number of electrons and protons who play and in the way they arrange themselves.Letters of a Radio-Engineer to His Son|John Mills