electron : Idioms & Phrases

Index

electron accelerator

  • noun collider that consists of an accelerator that collides electrons and positrons
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electron beam

  • noun a group of nearly parallel lines of electromagnetic radiation
    beam; ray.
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electron gun

  • noun the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it
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electron lens

  • noun electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons
    lens.
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electron microscope

  • noun a microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of light
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electron microscopic

  • adjective of or relating to or involving an electron microscope
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electron microscopy

  • noun microscopy with the use of electron microscopes
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electron multiplier

  • noun a vacuum tube that amplifies a flow of electrons
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electron optics

  • noun the branch of electronics that deals with beams of electrons and their focusing and deflection by magnetic fields
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electron orbit

  • noun the path of an electron around the nucleus of an atom
    orbit.
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electron paramagnetic resonance

  • noun microwave spectroscopy in which there is resonant absorption of radiation by a paramagnet
    electron paramagnetic resonance; ESR.
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electron radiation

  • noun radiation of beta particles during radioactive decay
    beta radiation; beta ray.
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electron shell

  • noun a grouping of electrons surrounding the nucleus of an atom
    • the chemical properties of an atom are determined by the outermost electron shell
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electron spin resonance

  • noun microwave spectroscopy in which there is resonant absorption of radiation by a paramagnet
    electron paramagnetic resonance; ESR.
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electron tube

  • noun electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
    vacuum tube; tube; thermionic vacuum tube; thermionic valve; thermionic tube.
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electron volt

  • noun a unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt
    eV.
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free electron

  • noun electron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric field
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valence electron

  • noun an electron in the outer shell of an atom which can combine with other atoms to form molecules
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