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impedance
An impedance is any obstruction, or the measure of the opposition of an electric current to the energy flow when voltage is applied. (noun)
- An example of impedance is when a school marching band cannot participate in a parade because they can't affort the cost of gas for the bus.
- An example of impedance is a line of resistance within an electrical current.
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See impedance in Webster's New World College Dictionary
See impedance in American Heritage Dictionary 4
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