Definition of conduction noun from the Oxford Advanced Learner's Dictionary

 

conduction

 noun
noun
BrE BrE//kənˈdʌkʃn//
 
; NAmE NAmE//kənˈdʌkʃn//
 
[uncountable](physics)
 
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the process by which heat or electricity passes through a material Word Origin mid 16th cent. (in the senses ‘provision for safe passage’ and ‘leadership’): from Latin conductio(n-), from the verb conducere ‘bring together’.
See the Oxford Advanced American Dictionary entry: conduction