A material that conducts heat well and quickly, i.e., has a relatively high thermal conductivity (see also thermal conduction). Most metals are good thermal conductors but the best thermal conductors of all are diamond and carbon nanotubes. The reason for this is that both diamond and carbon nanotubes contains strong molecular bonds in very regular order making it easy for molecular vibrations to travel quickly and efficiently through the materials. Compare with thermal insulator.
Related category• HEAT AND THERMODYNAMICS
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