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electron microscope any of various microscopes that use electrons rather than rays of light to magnify the image of the object being viewed.
electron tube a sealed, tube-shaped container in which a pair of electrodes controls the flow of electrons through a vacuum or very low-pressure gas.
electron-volt a unit of energy equal to the energy of one electron accelerated by one volt, or equal to 1.602 times 10-12 erg.
electrophoresis the motion of particles, esp. colloids, in a relatively stationary fluid due to the influence of an electric field, usu. provided by immersed electrodes; cataphoresis.
electrophorus an apparatus used to create static electricity by induction.
electrophysiology the electrical properties of living cells and tissues, or the study of these properties.
electroplate to cover with a thin coat, as of metal, by electrolysis. [2 definitions]
electroporation in genetics, a method of introducing foreign DNA into a cell by means of an electric pulse that makes the cell membrane more permeable.
electropositive containing a positive electrical charge. [2 definitions]
electroscope a device used for detecting small amounts of electric charge, usu. by using metal foil to show attraction or repulsion.
electroshock a treatment for mentally ill persons in which an electric current is passed through the brain; electroshock therapy.
electroshock therapy in psychiatry, a form of therapy in which electrical currents are passed through the brain.
electrostatic of, pertaining to, or caused by static electricity. [2 definitions]
electrostatics the branch of physics dealing with stationary electric charges.
electrotherapy the treatment of disease by means of electricity.
electrotype a copy or facsimile made by electroplating a mold, in wax, lead, or plastic, of an original plate, and used esp. in printing. [3 definitions]
electrotypy the technique and process of making an electrotype.
electrum a yellow alloy of gold and silver.
electuary a drug mixed with honey, syrup, or the like to form a paste to be smeared on the teeth or gums of a sick animal.
eleemosynary of, pertaining to, dependent on, or given as charity; charitable.
elegance the quality of refinement, taste, and grace, esp. when combined with richness of decoration or design. [3 definitions]