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

The full introduction is always a magical moment. —Devan Coggan, Entertainment Weekly, 23 Nov. 2025

And that series' introduction of the character Goldie Delicious that drew their mother in. —Claudia Levens, jsonline.com, 23 Nov. 2025

Breaking from the existing body styles in the lineup, Exeed has added a wagon configuration with the introduction of the Exlantix ES7 GT. —Bojan Stojkovski, Interesting Engineering, 23 Nov. 2025

But most people's first introduction to Glinda was Burke’s portrayal in the 1939 classic The Wizard of Oz, which cemented the character in pop culture history. —Emily Blackwood, PEOPLE, 22 Nov. 2025

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