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proton

play
noun pro·ton \ˈprō-ˌtän\

Simple Definition of proton

  • physics : a very small particle of matter that is part of the nucleus of an atom and that has a positive electrical charge

Source: Merriam-Webster's Learner's Dictionary

Full Definition of proton

  1. :  an elementary particle that is identical with the nucleus of the hydrogen atom, that along with the neutron is a constituent of all other atomic nuclei, that carries a positive charge numerically equal to the charge of an electron, and that has a mass of 1.673 × 10−27 kilogram

protonic

play \prō-ˈtä-nik\ adjective

Origin and Etymology of proton

Greek prōton, neuter of prōtos first — more at prot-


First Known Use: 1920

Other Chemical Engineering Terms


PROTON Defined for Kids

proton

play
noun pro·ton \ˈprō-ˌtän\

Definition of proton for Students

  1. :  a very small particle that exists in the nucleus of every atom and has a positive charge of electricity




Medical Dictionary

proton

play
noun pro·ton \ˈprō-ˌtän\

Medical Definition of proton

  1. :  an elementary particle that is identical with the nucleus of the hydrogen atom, that along with neutrons is a constituent of all other atomic nuclei, that carries a positive charge numerically equal to the charge of an electron, and that has a mass of 1.673×10−24 gram

protonic

\prō-ˈtän-ik\play adjective



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