con·​duc·​tor | \ kən-ˈdək-tər How to pronounce conductor (audio) \

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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Other Words from conductor

conductorial \ ˌkän-​ˌdək-​ˈtȯr-​ē-​əl How to pronounce conductorial (audio) , kən-​ \ adjective

Examples of conductor in a Sentence

Metal is a good conductor of electricity.
Recent Examples on the Web Make no mistake, the conductor is a showman who relishes live performance. Los Angeles Times, "Review: Beethoven’s Fifth is the music of our moment. How Teodor Currentzis makes it so," 14 Apr. 2020 The illustrious conductor of the Boston Symphony Orchestra really was a German sympathizer. Dan Mclaughlin, National Review, "War, Fever, and Baseball in 1918," 29 Mar. 2020 The conductor was Simon Rattle, who completed his tenure as the Philharmonic’s music director last season. Alex Ross, The New Yorker, "Coronavirus Concerts: The Music World Contends with the Pandemic," 14 Mar. 2020 The invisible conductor of this magnetic orchestra is likely high above the red planet’s surface. National Geographic, "Mars is humming. Scientists aren’t sure why.," 24 Feb. 2020 The conductor was the only person on board, Washington County Division of Emergency Services reported. Robert Gearty, Fox News, "Freight train cars derail into the Potomac River near Harpers Ferry in West Virginia," 22 Dec. 2019 The conductor’s job is to direct the groups of instruments to play together in order to create a harmonious piece of music that keeps your body healthy and balanced. Sun Pharmaceuticals, WIRED, "IL-23: The Master Regulator Behind Plaque Psoriasis," 30 Oct. 2019 The conductor for this program is Laura Lee Fischer. Mike Giuliano,, "Columbia Pro Cantare lifts voices to heaven for Mozart Requiem," 25 Oct. 2019 By July 28, 2022, the conductor will be 81, not that old in a profession where maestros sometimes work into their 90s. Howard Reich,, "CSO conductor Riccardo Muti on the strike and his future: ‘What the world knows about the Chicago Symphony is still maybe … taken for granted’," 10 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'conductor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of conductor

15th century, in the meaning defined above

History and Etymology for conductor

see conduct entry 2

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Time Traveler for conductor

Time Traveler

The first known use of conductor was in the 15th century

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Statistics for conductor

Last Updated

22 May 2020

Cite this Entry

“Conductor.” Dictionary, Merriam-Webster, Accessed 29 May. 2020.

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More Definitions for conductor


How to pronounce conductor (audio)

English Language Learners Definition of conductor

: 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


con·​duc·​tor | \ kən-ˈdək-tər How to pronounce conductor (audio) \

Kids Definition of conductor

1 : a person in charge of a public means of transportation (as a train)
2 : a person or thing that directs or leads She is the conductor of our school orchestra.
3 : a substance or body capable of transmitting light, electricity, heat, or sound Copper is a good conductor of electricity.


con·​duc·​tor | \ kən-ˈdək-tər How to pronounce conductor (audio) \

Medical Definition of conductor

1a : 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)
2 : a bodily part (as a nerve fiber) that transmits excitation

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