An introduction refers to a beginning — maybe presenting someone new to a group, or inserting a new idea into a project. In a piece of writing, the introduction makes clear to the reader the text's purpose.

The noun introduction comes from the Latin verb introducere, meaning "to lead in." This “leading in” might be the formal introduction of a speaker, or the speaker's own introduction to his remarks. Or it might be the insertion of a new and different idea, as in British politician Lord Hailsham's remark, "The introduction of religious passion into politics is the end of honest politics, and the introduction of politics into religion is the prostitution of true religion."

Primary Meanings of introduction

the act of beginning something new
the act of putting one thing into another
Full Definitions of introduction

n the act of beginning something new

debut, entry, first appearance, launching, unveiling
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the act of bringing about something (especially at an early time)
product introduction
the introduction (usually by an advertising campaign) of a new product or product line
ushering in
the introduction of something new
naturalisation, naturalization
the introduction of animals or plants to places where they flourish but are not indigenous
induction of labor
(obstetrics) inducing the childbirth process artificially by administering oxytocin or by puncturing the amniotic sac
the induction of sleep or hypnosis
Type of:
beginning, commencement, start
the act of starting something

n the act of starting something for the first time; introducing something new

creation, foundation, founding, initiation, innovation, instauration, institution, origination
authorship, paternity
the act of initiating a new idea or theory or writing
Type of:
beginning, commencement, start
the act of starting something

n formally making a person known to another or to the public

intro, presentation
the presentation of a debutante in society
an act of renewed introduction
Type of:
informing, making known
a speech act that conveys information

n a new proposal

“they resisted the introduction of impractical alternatives”
Type of:
something proposed (such as a plan or assumption)

n the first section of a communication

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(rhetoric) the introductory section of an oration or discourse
the initial part of the introduction
foreword, preface, prolusion
a short introductory essay preceding the text of a book
a preliminary introduction to a statute or constitution (usually explaining its purpose)
a preliminary discussion inserted at the beginning of a book or treatise
an introduction to a play
an attention-getting opening presented at the start of a television show
word of greeting used to begin a letter
Type of:
section, subdivision
a self-contained part of a larger composition (written or musical)

n a basic or elementary instructional text

Type of:
school text, schoolbook, text, text edition, textbook
a book prepared for use in schools or colleges

n the act of putting one thing into another

insertion, intromission
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cannulation, cannulisation, cannulization, canulation, canulisation, canulization, intubation
the insertion of a cannula or tube into a hollow body organ
instillation, instillment, instilment
the introduction of a liquid (by pouring or injection) drop by drop
enclosing, enclosure, envelopment, inclosure
the act of enclosing something inside something else
the forceful insertion of a substance under pressure
blood transfusion, transfusion
the introduction of blood or blood plasma into a vein or artery
pumping a liquid into an organ or tissue (especially by way of blood vessels)
boxing, packing
the enclosure of something in a package or box
encasement, incasement
the act of enclosing something in a case
epidural injection
injection of an anesthetic substance into the epidural space of the spinal cord in order to produce epidural anesthesia
(medicine) the passive introduction of a substance (a fluid or drug or electrolyte) into a vein or between tissues (as by gravitational force)
exchange transfusion
slow removal of a person's blood and its replacement with equal amounts of a donor's blood
Type of:
the act of changing the location of something

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