UV Index Resources. 1  Download the free UV Index smartphone app. 2  Stay up to date with our UV Index applications. 3  UV Alert map Exit- Areas in the U.S. where the UV Index is forecasted to be above normal. 4  Cities forecast bulletin Exit- A plain text listing of forecasted UV Index values for 58 U.S. cities.
High electrical conductivity refers to the ability of certain materials to conduct a large amount of electrical current. Electrical conductivity is abbreviated by the Greek letters sigma (Ï) or kappa (Îº). The SI unit of electrical conductivity is Siemens per meter (S/m).
Use conductivity in a sentence. LINK / CITE ADD TO WORD LIST. noun. The definition of conductivity is the ability to transmit heat, sound or electricity. An example of conductivity is heat transferring from hot pot of soup to a metal ladle sitting in the pot.he definition of conductivity is the ability to transmit heat, sound or electricity. An example of conductivity is heat transferring from hot pot of soup to a metal ladle sitting in the pot.