conductor
/kənˈdʌktə(r)/noun
1
- a person who directs the performance of an orchestra or choir（管弦乐队或合唱团的）指挥。
2
- a person who collects fares and sells tickets on a bus（公共汽车的）售票员。
2.1
- N. Amer. an official in charge of a train; a guard〈北美〉列车长。
3
- Physics a material or device that conducts or transmits heat or electricity, especially when regarded in terms of its capacity to do this【物理】导体：
most polymers are poor conductors.
大多数聚合物是不良导体。
3.1
- short for LIGHTNING CONDUCTOR.LIGHTNING CONDUCTOR的简称。
4
- Brit. a person who is trained to provide conductive education〈英〉传导教育的引导者。
派生词
conductorship
noun （限义项1）词源
late Middle English (denoting a military leader)： via Old French from Latin conductor, from conducere 'bring together' （see CONDUCT）.