Wiktionary
electrical resistance
n. (context physics English) The opposition offered by an electrical conductor to the flow of a current through itself, resulting in a conversion of electrical energy into heat and radiation. The SI derived unit of resistance is the ohm. Symbol: R.
WordNet
electrical resistance
n. a material's opposition to the flow of electric current; measured in ohms [syn: electric resistance, impedance, resistance, resistivity, ohmic resistance]