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electroencephalograph an instrument that measures and records electric activity in the brain.
electroless combined form of electro.
electrologist one who is trained in the use of electrolysis to remove body hair, moles, and warts.
electrolysis chemical change produced by the passage of electric current through an electrolyte. [2 definitions]
electrolyte a conducting solution in which the movement of non-metallic ions accompanies a flow of electric current. [2 definitions]
electrolytic of, from, or pertaining to electrolysis. [2 definitions]
electrolyze to subject to electrolysis.
electromagnet a magnet in which an iron or steel core is magnetized by the electric current in the coil of insulated wire wound around it.
electromagnetic of or pertaining to an electromagnet or electromagnetism.
electromagnetics (used with a sing. verb) the branch of physics that concerns the relationship between magnetism and electricity; electromagnetism.
electromagnetic spectrum the entire range of electromagnetic frequencies from radio, the lowest, to gamma rays, the highest.
electromagnetic wave a wave that contains a magnetic and electric component and that is created by an accelerating electric charge, such as a radio wave, x-ray, or light.
electromagnetism magnetism produced by electric current. [2 definitions]
electrometer an instrument used to measure the difference in electrical potential between two objects.
electromotive of, pertaining to, or producing a flow of electricity.
electromotive force the force that causes electrical current to flow, usu. measured in volts.
electron a negatively charged particle, considered a fundamental unit of matter, that exists independently or outside the nucleus of an atom.
electronegative having a negative electric charge. [2 definitions]
electron gun the electron-emitting cathode in a cathode ray tube together with the electromagnetic apparatus that collects and focuses the electron stream.
electronic of or relating to devices, circuits, or systems based on electronics. [2 definitions]
electronic data processing the use of computers to process and store information.