electrical resistance

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun physics 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.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a material's opposition to the flow of electric current; measured in ohms