conduction

 
Pronunciation: /kənˈdʌkʃ(ə)n/

noun

[mass noun]
  • the process by which heat or electricity is directly transmitted through the material of a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
  • the process by which sound waves travel through a medium.
  • the transmission of impulses along nerves.
  • the conveying of fluid through a channel.

Origin:

mid 16th century (in the senses 'provision for safe passage' and 'leadership'): from Latin conductio(n-), from the verb conducere (see conduct)