conduction

noun

con·​duc·​tion kən-ˈdək-shən 

1

: the act of conducting or conveying

2

a

: transmission through or by means of a conductor

also : the transfer of heat through matter by communication of kinetic energy from particle to particle with no net displacement of the particles compare convection, radiation

b

: conductivity

3

: the transmission of excitation through living tissue and especially nervous tissue

Examples of conduction in a Sentence

Recent Examples on the Web

Bone conduction headphones: These headphones sit outside your ears and transmit sound through your skull, keeping your ears open to noises around you. —Jordan Galloway, SELF, 11 Oct. 2024

Understanding the Heart's Electrical System The heart tissue has a specialized conduction system that maintains a normal heart rate to pump blood to the body. —Angela Ryan Lee, Verywell Health, 25 Sep. 2024

With shockable rhythms, electrical conduction through the heart is intact, but its lower chambers are contracting too fast to pump blood properly (pVT) or are pumping irregularly (VF). —New Atlas, 24 Sep. 2024

Blocking sodium from entering the heart slows the heart rate and reduces the heart cell's excitability and conduction (squeeze). —Mary Choy, Verywell Health, 5 Sep. 2024

Word History

Etymology

borrowed from Medieval Latin conductiōn-, conductiō "gathering, muster, leadership, command, hire," going back to Latin, "taking of a lease, bringing together the premises of an argument," from condūcere "to bring together, join, hire, accept a contract for" (Medieval Latin also "to lead, escort, provide a channel for [water]") + -tiōn-, -tiō, suffix of verbal action — more at conduce

First Known Use

1534, in the meaning defined at sense 1

Phrases Containing conduction

• conduction band

Kids Definition

conduction

noun

con·​duc·​tion kən-ˈdək-shən 

1

: the act of conducting or conveying

2

a

: passage through a conductor

b

: conductivity

3

: the passage of a reaction to a stimulus through living and especially nerve tissue

Medical Definition

conduction

noun

con·​duc·​tion kən-ˈdək-shən 

1

a

: transmission through or by means of a conductor

also : the transfer of heat through matter by communication of kinetic energy from particle to particle with no net displacement of the particles

b

: conductivity

2

: the transmission of excitation through living tissue and especially nervous tissue

conduction of impulses to the brain