+**Thermal conductivity** quantifies a material's ability to transfer [Heat](/wiki/heat). It measures how readily [Energy](/wiki/energy) flows through a substance when a temperature difference is applied, making it a critical property for understanding how well a material can act as an insulator or conductor.
+## See also
+- [Conduction](/wiki/conduction)
+- [Insulator](/wiki/insulator)
+- [Temperature](/wiki/temperature)
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