introduction

noun

in·​tro·​duc·​tion ˌin-trə-ˈdək-shən 

1

: something that introduces: such as

a(1)

: a part of a book or treatise preliminary to the main portion

(2)

: a preliminary treatise or course of study

b

: a short introductory musical passage

2

: the act or process of introducing : the state of being introduced

3

: a putting in : insertion

4

: something introduced

specifically : a new or exotic plant or animal

Synonyms of introduction

• preface
• foreword
• intro
• prologue

Examples of introduction in a Sentence

the introduction of telephone service to the area

Since its introduction last year, over a million copies of the software have been sold.

the introduction of evidence at the trial

the introduction of a new topic for conversation

the introduction of the bill to Congress

She told the audience, by way of introduction, that the research was completed a year ago.

the introduction of an Asian plant species to America

After a brief introduction, the performer took the stage.

Recent Examples on the Web

Before joining the postgame handshake line, Bidunga turned toward the KU student section in the south end zone, waved and blew a kiss goodbye to the same fans who had booed him during warmups, introductions and throughout the game. — Gary Bedore, Kansas City Star, 22 Oct. 2026

Regal theaters will add cast and creator introductions, while participating locations offer cocktails inspired by HBO’s hockey romance. — Laura Zornosa, Los Angeles Times, 22 Oct. 2026

The launch comes as Lovestruck has emerged as one of John Hardy’s most successful recent introductions. — Thomas Waller, Footwear News, 22 Oct. 2026

Its introduction across the MAX family makes the 737-10 an important step in the company’s broader aircraft safety program. — Neetika Walter, Interesting Engineering, 21 Oct. 2026

Word History

Etymology

Middle English introduccioun act of introducing, from Anglo-French introduction, from Latin introduction-, introductio, from introducere

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for introduction

• coproduction
• deconstruction
• liposuction
• misconstruction
• postproduction
• preconstruction
• preproduction
• reconstruction
• reproduction
• abduction
• adduction
• conduction

Kids Definition

introduction

noun

in·​tro·​duc·​tion ˌin-trə-ˈdək-shən 

1

a

: the action of introducing

b

: something introduced

2

: the part of a book that leads up to and explains what will be found in the main part

3

: a book for beginners in a subject

Medical Definition

introduction

noun

in·​tro·​duc·​tion ˌin-trə-ˈdək-shən 

: an action of putting in or inserting

introduction of contrast material through the catheter

—Scientific American Medicine

introduce

-ˈd(y)üs 

transitive verb

introduced; introducing