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electron    音标拼音: [ɪl'ɛktrɑn]
n. 电子

电子

electron
电子

electron
电子

electron
n 1: an elementary particle with negative charge [synonym:
{electron}, {negatron}]

lepton \lepton\ n. (Physics)
an elementary particle that participates in weak interactions
but does not participate in the strong interaction; it has a
baryon number of 0. Some known leptons are the {electron},
the {negative muon}, the {tau-minus particle}, and the
neutrinos associated with each of these particles.
[WordNet 1.5 PJC]


Electron \E*lec"tron\, n. [NL., fr. Gr. 'h`lektron. See
{Electric}.]
1. Amber; also, the alloy of gold and silver, called
{electrum}. [archaic]
[1913 Webster]

2. (Physics & Chem.) one of the fundamental subatomic
particles, having a negative charge and about one
thousandth the mass of a hydrogen atom. The electron
carries (or is) a natural unit of negative electricity,
equal to 3.4 x 10^{-10} electrostatic units, and is
classed by physicists as a {lepton}. Its mass is
practically constant at the lesser speeds, but increases
due to relativistic effects as the velocity approaches
that of light. Electrons are all of one kind, so far as is
known. Thus far, no structure has been detected within an
electron, and it is probably one of the ultimate composite
constituents of all matter. An atom or group of atoms from
which an electron has been detached has a positive charge
and is called a {cation}. Electrons are projected from the
cathode of vacuum tubes (including television picture
tubes) as {cathode rays} and from radioactive substances
as the {beta rays}. Previously also referred to as
{corpuscle}, an obsolete term. The motion of electrons
through metallic conductors is observed as an electric
current. A particle identical to the electron in mass and
most other respects, but having a positive instead of a
negative charge, is called a {positron}, or {antielectron}
[Webster 1913 Suppl. PJC] Electro-negative

58 Moby Thesaurus words for "electron":
Kern, NMR, alpha particle, antibaryon, antilepton, antimeson, atom,
atomic nucleus, atomic particle, baryon, beta particle,
cathode particle, electron affinity, electron cloud, electron pair,
electron shells, electron spin, electron transfer,
electron-positron pair, elementary particle, energy level,
excited state, extranuclear electrons, ground state, ion, lepton,
lone pair, meson, molecule, monad, negatron, neutron,
nuclear force, nuclear magnetic resonance, nuclear particle,
nuclear resonance, nucleon, nucleosynthesis, nucleus, octet,
orbital electron, photoelectron, photon, proton, quark,
recoil electron, secondary electron, shared pair, strangeness,
strong interaction, subvalent electrons, surface-bound electron,
thermion, triton, valence electron, valence electrons,
valence shell, wandering electron


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  • Electron - Wikipedia
    Electrons can exist as free particles As particle beams in a vacuum, free electrons can be accelerated, focused, and used for applications such as cathode ray tubes, electron microscopes, electron beam welding, lithography, and particle accelerators that generate synchrotron radiation
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  • Electron | Definition, Mass, Facts | Britannica
    Electron, lightest stable subatomic particle known It carries a negative charge of 1 6 x 10^-19 coulomb, which is considered the basic unit of electric charge The electron was discovered in 1897 by the English physicist J J Thomson during investigations of cathode rays
  • Electron - Definition, Properties, Facts, and Role in Atoms
    An electron is a negatively charged subatomic particle and a fundamental component of atoms, responsible for electricity, chemical bonding, and many physical phenomena
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    Build cross-platform desktop apps with Electron, a free, open-source framework that turns web technologies like HTML, CSS, and JavaScript into native software for Windows, macOS, and Linux
  • Introduction to ElectronJS - GeeksforGeeks
    Development Tools: Electron is frequently used for building development tools, such as text editors (Visual Studio Code, Atom), IDEs, or version control clients
  • electron - npm
    The Electron framework lets you write cross-platform desktop applications using JavaScript, HTML and CSS It is based on Node js and Chromium and is used by the Visual Studio Code and many other apps
  • DOE Explains. . . Electrons | Department of Energy
    The electron is a subatomic particle that is found in all atoms Unlike protons, neutrons, or the nuclei of atoms, electrons are elementary particles This means they are not made of even smaller particles Also unlike protons and neutrons, electrons have essentially no mass
  • ELECTRON Definition Meaning - Merriam-Webster
    The meaning of ELECTRON is an elementary particle consisting of a charge of negative electricity equal to about 1 602 × 10—19 coulomb and having a mass when at rest of about 9 109 × 10—31 kilogram or about 1 1836 that of a proton





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