Field drain

an underground earthenware pipe used for draining fields

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  • Fielded

    [feeld] /fild/ noun 1. an expanse of open or cleared ground, especially a piece of land suitable or used for pasture or tillage. 2. Sports. 3. Baseball. 4. a sphere of activity, interest, etc., especially within a particular business or profession: the field of teaching; the field of Shakespearean scholarship. 5. the area or region […]

  • Field-effect transistor

    [feeld-i-fekt] /ˈfild ɪˌfɛkt/ noun, Electronics. 1. a transistor in which the output current is varied by varying the value of an electric field within a region of the device. Abbreviation: FET. noun 1. a unipolar transistor consisting of three or more electrode regions, the source, one or more gates, and the drain. A current flowing […]

  • Field-emission

    noun, Physics. 1. the removal of electrons from a metallic conductor by a strong electric field. noun 1. the emission of electrons from a solid or liquid subjected to a high electric field field emission The emission of electrons from the surface of a conductor, caused by a strong electric field. Field emission is used […]

  • Field emission display

    hardware (FED) A type of flat panel display in which field emitting cathodes bombard a phosphor coating causing it to emit light. A field emission display is similar to a cathode ray tube but only a few millimeters thick. They use a large array of fine metal tips or carbon nanotubes (which are the most […]

  • Field-emission microscope

    [feeld-i-mish-uh n] /ˈfild ɪˌmɪʃ ən/ noun 1. a device in which electrons liberated by field emission are accelerated toward a fluorescent screen to form a magnified image of the emitting surface.

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