• IPA: /ɪnˈdʌkʃən/

induction

1. An act of inducting.
   • (Can we date this quote?), Francis Beaumont; John Fletcher, “The Honest Man's Fortune”, in Comedies and Tragedies […], London: Printed for Humphrey Robinson, […], and for Humphrey Moseley […], published 1647, OCLC 3083972 ↗, Act 2, scene 1:

     I know not you; nor am I well pleased to make this time, as the affair now stands, the induction of your acquaintance.

   • c. 1597, William Shakespeare, “The First Part of Henry the Fourth, […]”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act III, scene i]:

     These promises are fair, the parties sure, / And our induction full of prosperous hope.

   1. A formal ceremony in which a person is appointed to an office or into military service.
   2. The process of showing a newcomer around a place where they will work or study.
2. An act of inducing.
   1. (physics) Generation of an electric current by a varying magnetic field.
   2. (logic) Derivation of general principles from specific instances.
   3. (mathematics) A method of proof of a theorem by first proving it for a specific case (often an integer; usually 0 or 1) and showing that, if it is true for one case then it must be true for the next.
   4. (theater) Use of rumors to twist and complicate the plot of a play or to narrate in a way that does not have to state truth nor fact within the play.
   5. (biology) In developmental biology, the development of a feature from part of a formerly homogenous field of cells in response to a morphogen whose source determines the feature's position and extent.
3. (medicine) The process of inducing the birth process.
4. (obsolete) An introduction.

   • This is but an induction: I will draw / The curtains of the tragedy hereafter.

• French: induction
• German: Einführung
• Italian: induzione

• German: Vereidigung
• Russian: официа́льное введе́ние в до́лжность

• French: induction
• German: Induktion
• Italian: induzione, autoinduzione
• Russian: инду́кция

• French: induction
• Italian: induzione
• Russian: инду́кция

• German: Induktion
• Russian: инду́кция

• French: induction
• Italian: induzione
• Portuguese: indução
• Spanish: inducción

• Russian: введе́ние