Negatron



[neg-uh-ton] /ˈnɛg əˌtɒn/

noun
1.
(not in technical use) (def 1).
[ih-lek-tron] /ɪˈlɛk trɒn/
noun
1.
Also called negatron. Physics, Chemistry. an elementary particle that is a fundamental constituent of matter, having a negative charge of 1.602 × 10 −19 coulombs, a mass of 9.108 × 10 −31 kilograms, and spin of ½, and existing independently or as the component outside the nucleus of an atom.
2.
Electricity. a unit of charge equal to the charge on one electron.
/ˈnɛɡəˌtrɒn/
noun
1.
an obsolete word for electron
/ɪˈlɛktrɒn/
noun
1.
a stable elementary particle present in all atoms, orbiting the nucleus in numbers equal to the atomic number of the element in the neutral atom; a lepton with a negative charge of 1.602 176 462 × 10–19 coulomb, a rest mass of 9.109 381 88 × 10–31 kilogram, a radius of 2.817 940 285 × 10–15 metre, and a spin of 1/2
n.

coined 1891 by Irish physicist George J. Stoney (1826-1911) from electric + -on, as in ion (q.v.). Electron microscope translates German Elektronenmikroskop (1932).

negatron neg·a·tron (něg’ə-trŏn’)
n.

electron e·lec·tron (ĭ-lěk’trŏn’)
n.
Abbr. e
A stable subatomic particle in the lepton family having a rest mass of 9.1066 × 10-28 gram and a unit negative electric charge of approximately 1.602 × 10-19 coulomb. Also called negatron.
negatron
(něg’ə-trŏn’)
An electron with a negative charge; the antiparticle of the positron. Most branches of particle physics construe each particle along with its antiparticle to be two different forms of one underlying phenomenon, and the term electron is sometimes used as a precisely such a general term, with positron and negatron referring to the forms of the electron as they are manifested in nature. See more at electron.
electron
(ĭ-lěk’trŏn’)

electron [(i-lek-tron)]

An elementary particle with a negative charge and a very small mass. Electrons are normally found in orbits around the nucleus of an atom. The chemical reactions that an atom undergoes depend primarily on the electrons in the outermost orbits (the valence electrons).

Note: The movement of large numbers of electrons through conductors constitutes an electric current.

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