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electromechanical
electromedical
electrometallurgy
electrometer
electromotive
electromotive force
electromyogram
electromyograph
electron
electron affinity
electron beam
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electron multiplier
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electron

e·lec·tron [ i lék tròn ] (plural e·lec·trons)


noun 
Definition:
 
elementary particle: a stable negatively charged elementary particle with a small mass that is a fundamental constituent of matter and orbits the nucleus of an atom

[Late 19th century. < electric]
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