Definition of conductor
: one that conducts: such as
a
: guide
b
: a collector of fares in a public conveyance
a railroad conductor
c
: the leader of a musical ensemble
an orchestra conductor
d(1)
: a material or object that permits an electric current to flow easily
Copper wire is a good conductor.
— compare insulator, semiconductor
(2)
: a material capable of transmitting another form of energy (such as heat or sound)
Aluminum is a conductor of heat.
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Merriam-Webster unabridged
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Time Traveler for conductor
The first known use of conductor was in the 15th century
See more words from the same century