conductor

noun con·duc·tor \kən-ˈdək-tər\

: a person who stands in front of people while they sing or play musical instruments and directs their performance

: a person who collects money or tickets from passengers on a train or bus

: a material or object that allows electricity or heat to move through it

Full Definition of CONDUCTOR

: one that conducts: as

a : guide

b : a collector of fares in a public conveyance

c : the leader of a musical ensemble

d (1) : a material or object that permits an electric current to flow easily — compare insulator, semiconductor (2) : a material capable of transmitting another form of energy (as heat or sound)

— con·duc·to·ri·al \ˌkän-ˌdək-ˈtȯr-ē-əl, kən-\ adjective

See conductor defined for English-language learners

See conductor defined for kids

First Known Use of CONDUCTOR

15th century

CONDUCTOR Defined for Kids

conductor

noun con·duc·tor \kən-ˈdək-tər\

Definition of CONDUCTOR for Kids

: a person in charge of a public means of transportation (as a train)

: a person or thing that directs or leads <She is the conductor of our school orchestra.>

: a substance or body capable of transmitting light, electricity, heat, or sound <Copper is a good conductor of electricity.>

Medical Dictionary

conductor

noun con·duc·tor \kən-ˈdək-tər\

Medical Definition of CONDUCTOR

a : a material or object that permits an electric current to flow easily b : a material capable of transmitting another form of energy (as heat or sound)

: a bodily part (as a nerve fiber) that transmits excitation