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superconductivity
A phenomenon shown by certain metals, alloys, and other compounds of having negligible resistance to the flow of electric current at temperatures approaching absolute zero.

Certain materials are now known to exhibit superconductivity at temperatures well above absolute zero.

Word Entries at Get Words: “superconductivity
superconductivity
The abrupt and large increase in electrical conductivity exhibited by some metals as the temperature approaches absolute zero.
This entry is located in the following unit: Photovoltaic Conversion Efficiency Terms + (page 21)