Definitions for Electronɪˈlɛk trɒn

This page provides all possible meanings and translations of the word Electron

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. electron, negatron(noun)

    an elementary particle with negative charge

GCIDERate this definition:(0.00 / 0 votes)

  1. Electron(n.)

    (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

  2. Origin: [NL., fr. Gr. 'h`lektron. See Electric.]

WiktionaryRate this definition:(0.00 / 0 votes)

  1. electron(Noun)

    The subatomic particle having a negative charge and orbiting the nucleus; the flow of electrons in a conductor constitutes electricity.

  2. electron(Noun)

    Alloys of magnesium and other metals, like aluminum or zinc, that were manufactured by the German company Chemische Fabrik Griesheim-Elektron.

Webster DictionaryRate this definition:(0.00 / 0 votes)

  1. Electron(noun)

    amber; also, the alloy of gold and silver, called electrum

  2. Origin: [NL., fr. Gr. 'h`lektron. See Electric.]

FreebaseRate this definition:(0.00 / 0 votes)

  1. Electron

    The electron is a subatomic particle with a negative elementary electric charge. An electron has no known components or substructure. It is generally thought to be an elementary particle. An electron has a mass that is approximately 1/1836 that of the proton. The intrinsic angular momentum of the electron is a half-integer value in units of ħ, which means that it is a fermion. The antiparticle of the electron is called the positron; it is identical to the electron except that it carries electrical and other charges of the opposite sign. When an electron collides with a positron, both particles may be totally annihilated, producing gamma ray photons. Electrons, which belong to the first generation of the lepton particle family, participate in gravitational, electromagnetic and weak interactions. Like all matter, they have quantum mechanical properties of both particles and waves, so they can collide with other particles and can be diffracted like light. However, this duality is best demonstrated in experiments with electrons, due to their tiny mass. Since an electron is a fermion, no two electrons can occupy the same quantum state, in accordance with the Pauli exclusion principle.

British National Corpus

  1. Nouns Frequency

    Rank popularity for the word 'Electron' in Nouns Frequency: #2232


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