Electron Definition
ĭ-lĕktrŏn
electrons
noun
electrons
The lightest elementary particle with an electric charge: it is a lepton with a negative charge of c. 1.602 × 10-19 coulomb and a rest mass of c. 9.109 × 10-31 kg (c. 0.511 MeV/c2), which is c.11836 of the mass of a proton: ordinarily an atom has the same number of negative electrons around the nucleus as the number of positive protons in the nucleus.
Webster's New World
(physics) The subatomic particle having a negative charge and orbiting the nucleus; the flow of electrons in a conductor constitutes electricity.
Wiktionary
Synonyms:
- subatomic-particle
- atom
- electrically charged element
- negatron
- negative particle
- particle
Other Word Forms of Electron
Noun
Singular:
electronPlural:
electronsOrigin of Electron
From electr(ic) + (i)on, originally proposed as the name for the electric charge associated with a univalent ion. Compare electro-,-on.
From Wiktionary
electr(ic) (i)on
From American Heritage Dictionary of the English Language, 5th Edition
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