impedance

noun

1. (countable, uncountable)The act of impeding; that which impedes; a hindrance.

   “Faithful yielding is therefore a display of love before God by preparing to respond to his Call to Arms, even though He may not send us into the front lines of battle if some disability or impedance of Satan prevents us from action […]”

2. (countable, uncountable)A measure of the opposition to the flow of an alternating current in a circuit; the aggregation of its resistance, and inductive and capacitive reactances; the ratio of voltage to current treated as complex quantities.
3. (countable, uncountable, usually)A quantity analogous to electrical impedance in some other energy domain
4. (countable, uncountable, usually)A quantity analogous to electrical impedance in some other energy domain