| 释义 |
con·duc·tion
\kənˈdəkshən\ noun
(-s)
Etymology: Middle French, conducting, hiring, from Latin conduction-, conductio bringing together, hiring, from conductus (past participle of conducere to bring together, hire) + -ion-, -io -ion — more at conduce
1. archaic : conduct, management, skill
2. : the act of conveying (as water through a pipe)
3. : the transfer of soluble foods, water, and other substances from one part of a plant to another — called also translocation
4. : hiring
5.
a. : transfer of heat through matter by communication of kinetic energy from particle to particle rather than by a flow of heated material — compare convection
b. : the maintenance of an electric current through metals by a general movement of conduction electrons, through electrolytes by a movement of both positive and negative ions, or through gases by the passage of cathode rays, ionized molecules, or anode rays
6. : the transmission of excitation through living tissue especially in a nerve
< conduction of impulses to the brain > |