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
During his tenure, the charismatic conductor became a bona fide celebrity in the city and elevated the orchestra to wide recognition as the most important in the country.
—
Jessica Gelt, Los Angeles Times, 6 Mar. 2025
Absolom says that firefighters later confirmed that the vape battery had come into contact with her keys, using them as a conductor, and caught fire.
—Charlotte Phillipp, People.com, 4 Mar. 2025
The 2024 Big Ten Running Back of the Year combines the patience of an ice fisherman with the precision of a train conductor.
—Eddie Brown, The Mercury News, 27 Feb. 2025
Those include conductor coverings, smoke detecting cameras and line sensors that can help predict equipment failures.
—Jeff Young, Newsweek, 19 Feb. 2025
See All Example Sentences for conductor
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Jessica Gelt, Los Angeles Times, 6 Mar. 2025
Absolom says that firefighters later confirmed that the vape battery had come into contact with her keys, using them as a conductor, and caught fire.
—Charlotte Phillipp, People.com, 4 Mar. 2025
The 2024 Big Ten Running Back of the Year combines the patience of an ice fisherman with the precision of a train conductor.
—Eddie Brown, The Mercury News, 27 Feb. 2025
Those include conductor coverings, smoke detecting cameras and line sensors that can help predict equipment failures.
—Jeff Young, Newsweek, 19 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 12 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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