induction

noun

in·​duc·​tion in-ˈdək-shən How to pronounce induction (audio)
1
a
: the act or process of inducting (as into office)
b
: the formality by which a civilian is inducted into military service
c
: an initial experience : initiation
2
a(1)
: inference of a generalized conclusion from particular instances compare deduction sense 2a
(2)
: a conclusion arrived at by induction
b
: mathematical demonstration of the validity of a law concerning all the positive integers by proving that it holds for the integer 1 and that if it holds for an arbitrarily chosen positive integer k, it must hold for the integer k + 1

called also mathematical induction

3
a
: the process by which an electrical conductor becomes electrified when near a charged body, by which a magnetizable body becomes magnetized when in a magnetic field or in the magnetic flux set up by a magnetomotive force, or by which an electromotive force is produced in a circuit by varying the magnetic field linked with the circuit
b
: the inspiration of the fuel-air charge from the carburetor into the combustion chamber of an internal combustion engine
c
: the process by which the fate of embryonic cells is determined (as by the action of adjacent cells) and morphogenetic differentiation brought about
4
a
: the act of bringing forward or adducing something (such as facts or particulars)
b
: the act of causing or bringing on or about
5
: a preface, prologue, or introductory scene especially of an early English play

Example Sentences

Many people attended the bishop's induction. The induction ceremony was held at a banquet hall. the registration and induction of draftees
Recent Examples on the Web The Rock & Roll Hall of Fame induction was meant to serve as a reunion for the group — currently comprising Nick Rhodes, John Taylor, Roger Taylor, and Simon Le Bon — with past members Taylor and Warren Cucurullo. Tomás Mier, Rolling Stone, 5 Nov. 2022 For all those reasons and more, Belafonte is not only deserving of induction into the Rock and Roll Hall of Fame as an early influence, but the Rock Hall itself is elevated by his inclusion. Pat Mckay, Variety, 4 Nov. 2022 Alanis Morissette was initially scheduled to deliver a tribute performance to Carly Simon at the 37th Annual Rock & Roll Hall of Fame induction ceremony alongside Olivia Rodrigo on Saturday. Jack Irvin, Peoplemag, 8 Nov. 2022 Prince Fielder will earn induction into the Milwaukee Brewers Walk of Fame. Jr Radcliffe, Journal Sentinel, 21 July 2022 Muhammad Ali stripped of heavyweight title for refusing induction into the U.S. Army. Chicago Tribune, 26 June 2022 Whether that’s enough to earn induction is up to voters. Troy L. Smith, cleveland, 19 Apr. 2022 For his actions — breaking a curfew then later refusing induction to military service conditioned on a racially discriminatory questionnaire — Hirabayashi, was incarcerated twice. Giovanni René Rodriguez, Forbes, 28 June 2021 After being stripped of his heavyweight championship and prohibited from boxing for 3½ years of his prime after refusing induction into the armed services during the Vietnam War, Muhammad Ali made his way back and eventually regained the title. BostonGlobe.com, 10 June 2021 See More

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

Word History

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of induction was in the 14th century

Dictionary Entries Near induction

Cite this Entry

“Induction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/induction. Accessed 26 Nov. 2022.

Kids Definition

induction

noun

in·​duc·​tion in-ˈdək-shən How to pronounce induction (audio)
1
a
: the act or process of inducting (as into office)
b
: a first experience of something : initiation
c
: the procedure by which a civilian is inducted into military service
2
: reasoning from particular examples to a general conclusion
3
a
: the act of causing or bringing on or about
b
: the process of producing an electrical or magnetic effect through the influence of a nearby magnet, electric current, or electrically charged body

Medical Definition

induction

noun

in·​duc·​tion in-ˈdək-shən How to pronounce induction (audio)
1
: the act of causing or bringing on or about
induction of labor
specifically : the establishment of the initial state of anesthesia often with an agent other than that used subsequently to maintain the anesthetic state
2
: the process by which an electrical conductor becomes electrified when near a charged body, by which a magnetizable body becomes magnetized when in a magnetic field or in the magnetic flux set up by a magnetomotive force, or by which an electromotive force is produced in a circuit by varying the magnetic field linked with the circuit
3
a
: arousal of a part or area (as of the retina) by stimulation of an adjacent part or area
b
: the process by which the fate of embryonic cells is determined (as by the action of adjacent cells) and morphogenetic differentiation brought about
induct transitive verb

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