1 : a form of energy that is found in nature but that can be artificially produced by rubbing together two unlike things (as glass and silk), by the action of chemicals, or by means of a generator
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circuit [ sur-kit ]
1 : an act or instance of going or moving around
2 : a circular journey or one beginning and ending at the same place; a round
current
[ kur-uhnt, kuhr- ]
1 : a flowing; flow
2 : a stream of electric charge
conductor
[ kuh n-duhk-ter ]
1 : a substance or body that can allow electricity, heat, or sound to pass through it
insulator
[ in-suh-ley-ter, ins-yuh- ]
1 : a material of such low conductivity that the flow of the current through it is negligible