American Dictionary

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Definition conductor in American English

conductor noun

[countable] noun
/kənˈdʌktər/
1

someone who directs the musicians of an orchestra or other musical group

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2

someone on a train, bus, etc. who checks passengers' tickets and collects money

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3

a substance that allows heat or electricity to pass through it

Example

Metals are good conductors of electricity and heat.

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Definition conductor in American English