conductor
noun
con·duc·tor
kən-ˈdək-tər 
: 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.
Examples of conductor in a Sentence
Metal is a good conductor of electricity.
Recent Examples on the Web
Hannigan is principal guest conductor of the Gothenburg Symphony Orchestra and l’Orchestre de Chambre de Lausanne, and associate artist with the London Symphony Orchestra.
—
Paul Grein, Billboard, 18 Mar. 2025
The conductor, her unsung hero, alerted her to a man who was following her.
—Brittney Melton, NPR, 11 Mar. 2025
Given the steep costs, utilities often prioritize cheaper fire mitigation strategies like trimming back nearby trees and other plants, using insulated conductors, and stepping up routine inspections and repairs.
—IEEE Spectrum, 10 Mar. 2025
Catch up fast: Researchers have in recent years documented more than a dozen Underground Railroad conductors and freedom seekers who are buried there.
—Jason Clayworth, Axios, 28 Feb. 2025
See All Example Sentences for conductor
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Paul Grein, Billboard, 18 Mar. 2025
The conductor, her unsung hero, alerted her to a man who was following her.
—Brittney Melton, NPR, 11 Mar. 2025
Given the steep costs, utilities often prioritize cheaper fire mitigation strategies like trimming back nearby trees and other plants, using insulated conductors, and stepping up routine inspections and repairs.
—IEEE Spectrum, 10 Mar. 2025
Catch up fast: Researchers have in recent years documented more than a dozen Underground Railroad conductors and freedom seekers who are buried there.
—Jason Clayworth, Axios, 28 Feb. 2025
See All Example Sentences for conductor
Cite this Entry
“Conductor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conductor. Accessed 22 Mar. 2025.
Copy CitationKids Definition
conductor
noun
con·duc·tor
kən-ˈdək-tər
1
: a person who collects fares in a public means of transportation (as a bus or railroad train)
2
: the leader of a musical group
3
: a substance or body that can allow electricity, heat, or sound to pass through it
Medical Definition
conductor
noun
con·duc·tor
kən-ˈdək-tər
1
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)
2
: a bodily part (as a nerve fiber) that transmits excitation
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