conduction
/kənˈdʌkʃən/noun
mass noun
1- 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（热或电的）传导。
1.1
- the process by which sound waves travel through a medium（声波的）传播。
1.2
- the transmission of impulses along nerves神经冲动的传导。
1.3
- the conveying of fluid through a pipe or other channel（液体的）输送, 引流。
词源
mid 16th cent. （in the senses 'provision for safe passage' and 'leadership'： from Latin conductio（n-）， from the verb conducere （see CONDUCT）.