thermal conductivity: Meaning and Definition of

ther'mal con'ductiv'ity

Pronunciation: [key]
— Physics. Physics.
  1. the amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material, the faces of the plate differing by one unit of temperature.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.