Толковый словарь английского языка - proton
Proton
proton
noun see: prot- Date: 1920 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, ~ic adjective
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1.
n. Physics a stable elementary particle with a positive electric charge, equal in magnitude to that of an electron, and occurring in all atomic nuclei. Derivatives protonic adj. Etymology: Gk, neut. of protos first ...Толковый словарь английского языка Oxford English Reference
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