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Things thermionic often describes (“thermionic ________”)
emission, valve, valves, tube, tubes, current, cathode, diode, converter, function, conversion, emitter, detector, devices, effect, amplifier, generator, currents, source, rectifier, generators, gun, theory, triode, field, effects, properties, device, sources, voltmeter, functions, model, arc, guns, generation, density, filament, efficiency, detectors, equation, phenomena, gauge, microscope, increases, oscillator, emissions, component, conduction, amplification, detection, measurements, reactor, noise, experiments, circuit, mechanism, arcs, cell, relay, reactors, injection, fig, microscopy, vacuum, discharge, apparatus
Commonly used words are shown in bold. Rare words are dimmed.
Click on a word above to view its definition.
Click on a word above to view its definition.