conductor

nouns

the person who leads a musical group
conductor, director, music director
is derived from
conduct
a substance that readily conducts e.g. electricity and heat
conductor
is derived from
conduct
antonym
insulator
is a type of (narrower)
the tangible substance that goes into the makeup of a physical object
"coal is a hard black material"; "wheat is the stuff they use to make bread"
material, stuff
the person who collects fares on a public conveyance
conductor
is a type of (narrower)
a person who is employed to collect payments (as for rent or taxes)
accumulator, collector, gatherer
a device designed to transmit electricity, heat, etc.
conductor
is derived from
conduct
is a type of (narrower)
an instrumentality invented for a particular purpose
"the device is small enough to wear on your wrist"; "a device intended to conserve water"
device