electrode

تعريف electrode في الإنجليزية الإنجليزية القاموس.: the terminal through which electric current passes between metallic and nonmetallic parts of an electric circuit; a collector or emitter of electric charge in a semiconducting device; any terminal that conducts an electric current into or away from various conducting substances in a circuit (such as the anode or cathode of a battery); A conductor (not necessarily metallic) used to establish electrical contact with a non-metallic portion of a circuit Electrodes would be an integral part of ultra-high-power (UHP) transformers in a steel plant (Source: Mintzer, 1992); A CONDUCTOR used to establish electrical contact with a nonmetallic part of a circuit; A conductor by which electrical current enters or leaves a non-metallic medium, such as the electrolyte in a battery (as well as vacuum tubes and lots of other devices); A conductor through which current enters or leaves an electrolytic cell, at which there is a charge from conduction by electrons to conduction by charged particles of matter, or vice versa; The terminal in electric apparatus that conducts electricity in or out; Electrical terminal that conducts an electric current into or out of a fuel cell; An electrode is a small piece of metal or other substance that is used to take an electric current to or from a source of power, a piece of equipment, or a living body. The patient's brain activity is monitored via electrodes taped to the skull. a small piece of metal or a wire that is used to send electricity through a system or through a person's body (electro- + hodos ). Electric conductor, usually metal, used as one of two terminals to conduct electric current through a conducting medium. A simple voltaic cell, or battery, consists of two electrodes, usually one zinc and one copper, immersed in an electrolytic solution (see electrolyte). When a chemical reaction occurs in the solution, electrons gather on the zinc electrode, or cathode, which becomes negatively charged. At the same time, electrons are drawn from the copper electrode, the anode, giving it a positive charge. The difference in charge sets up a potential difference, or voltage, between the two electrodes. When they are connected by a conducting wire, electrons flow from the cathode to the anode, producing a current; The device through which current is conducted thru to the arc or base metal during the process of welding; An electrical conductor through which an electric current enters or leaves a conducting medium, whether it be an electrolytic solution, solid, molten mass, gas, or vacuum For electrolytic solutions, many solids, and molten masses, an electrode is an electrical conductor at the surface of which a change occurs from conduction by electrons to conduction by ions For gases and vacuum, the electrodes merely serve to conduct electricity to and from the medium; a Metal-Arc Filler metal in the form of a wire or rod, whether bare or covered, through which current is conducted between the electrode holder and the arc; the terminal at which electricity passes from one medium into another, such as in an electrical cell where the current leaves or returns to the electrolyte; a conductor used to make electrical contact with some part of a circuit; Conductor by which electric current enters or leaves an electrolyte in electrolysis; A conductor through which a current enters or leaves an electrolytic cell, vacuum tube, or any nonmetallic conductor; The path by which electricity is conveyed into or from a solution or other conducting medium; esp; a conductor used to make contact with a non-conducting part of a circuit; A conducting element in an electric cell, electronic tube, or semiconductor device; An anode (+) or cathode (-) conductor on a device through which an electric current passes; Conducting body at which the electrochemical reaction occurs; {i} electrical conductor, part of an electrical circuit; pole of an electric battery; Any conductor through which an electric current enters or leaves an electrolyte The casing and central cap of a torch battery are electrodes The lead plates in a car battery (with dilute sulphuric acid as the electrolyte) are electrodes; In an electrochemical cell, the location at which electric charge enters or leaves a metallic surface (see also anode and cathode) [back] [top]; a solid electric conductor through which an electric current enters or leaves an electrolytic cell or other medium It collects or emits electric charge, and is often used for detecting electrical impulses in the brain or muscles or transmitting signals in a bionic device Submitted by Jeffrey S Fox, foxjeff1@pilot msu edu; in piezoelectric and similar systems, the means, usually thin metal plates, by which electrical energy is introduced to the faces of the transducer crystals; = A conductor through which current enters or leaves an electrolytic cell at which there is a change from conduction by electrons to conduction by charged particles of matter or vice versa; 1 A terminal at which electricity passes from one medium into another The positive electrode is called anode; the negative electrode is called cathode; the ends of the wires or conductors, leading from source of electricity, and terminating in the medium traversed by the current; An electrical lead or wire attached to any electronic device or circuit through which current may flow in or out; An electrically conductive structure in an electrochemical device, such as a fuel cell, which transfers electrons to or from reactant atoms or molecules search
electrode potential: the potential difference of a half-reaction which occurs across a reversible cell made up of any electrode and a standard hydrogen electrode
calomel electrode: A reference electrode or half-cell consisting of mercury, mercurous chloride and potassium chloride; used in pH meters and voltmeters
glass electrode: Any of several electrodes, having a thin glass bulb, whose potential is dependent upon the concentration of hydrogen or other ions in the solution in which it is immersed; used in pH meters etc
hydrogen electrode: an electrode in which hydrogen gas is adsorbed on platinum
hydrogen gas electrode: a hydrogen electrode
ion selective electrode: An electrode whose potential is dependent on the concentration of a specific ion in the solution in which it is immersed
ion-selective electrode: an electrode, that is used to measure the concentration of a specific ion in a solution by use of a ion-selective membrane
normal hydrogen electrode: Alternative name for the standard hydrogen electrode; an electrode with a standard electrode potential of zero; used as a standard against which other electrodes are measured
potassium selective electrode: An ion selective electrode used to measure the concentration of potassium ions, especially in biological fluids
reference electrode: an electrode with a stable and accurately known electrode potential
standard electrode potential: an electrode potential measured under standard conditions; a temperature or 298K, 1 atmosphere pressure and at 1 mole of the activity of redox participants of the half-reaction
standard electrode potentials: plural form of standard electrode potential
standard hydrogen electrode: An electrode with a standard electrode potential of zero; used as a standard against which other electrodes are measured
electrodes: Surfaces upon which oxidation and reduction half-reactions; occur in electrochemical cells
electrodes: plural of electrode
electrodes: small devices transmitting biological electrical activity from subject to polygraph
electrodes: Device that moves electrons into or out of a solution by conduction
electrodes: (1) In welding, a tungsten rod, (TIG) or consumable metal wire (MIG) which is used as an electrical conductor and are point between the welding torch and the workpiece (2) In spot welding, the upper and lower shaped, conductive elements between which, two or more sheet metal parts are squeezed and through which, current flows during resistance welding
electrodes: Conductive metallic strips normally inserted into an electrolyte to provide the chemical action needed to convert chemical energy into electrical energy
electrodes: An apparatus attached to adhesive pads that are put on the infant's body to conduct electrical impulses of her breathing motions and heartbeat to a monitor
electrodes: (Otomotiv) Metal rods attached to the center and side of the spark plugs to create a gap across which an electric spark must jump. This spark is used to ignite the fuel in the combustion chamber
electrodes: conductors used to establish electrical contact with a nonmetallic part of a circuit
electrodes: (also called gates or phases) Small electrically conducting plates connected to a voltage source (battery or power supply) and arranged in strip patterns to define the picture elements or pixels of a CCD The plates create an electric field within the semiconductor which therefore forms a storage site for photo-generated charges Also used as a generic term for any conductor with an applied voltage
electrodes: Metal rods attached to the center and side of the spark plugs to create a gap across which an electric spark must jump This spark is used to ignite the fuel in the combustion chamber

electrode

الواصلة

e·lec·trode

التركية النطق

îlektrōd

المترادفات

plate, wire, inert anode, inert cathode, copper cathode, zinc anode

النطق

/əˈlektrōd/ /ɪˈlɛktroʊd/

علم أصول الكلمات

[ i-'lek-"trOd ] (noun.) 1834. The word was coined by the scientist Michael Faraday from the Greek words elektron (meaning amber, from which the word electricity is derived) and hodos, a way.

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السابق

electrode

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