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Definition:
the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode
Your choice?
- electroscope (Definition: detects electric charge; two gold leaves diverge owing to repulsion of charges with like sign)
- electrophoresis
- electrotherapist (Definition: someone who specializes in the treatment of disease by electricity)
- elementary geometry
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