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

• preface
• foreword
• intro

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

They were joined by many members of the creative team, including musical director and orchestrator Alex Lacamoire, choreographer Andy Blankenbuehler, and director Thomas Kail — all who receiving loving introductions by Seller. —Dave Quinn, People.com, 7 Aug. 2025

Ever since, builders have doubled down on token standards, with the introduction of ERC-721 for NFTs, ERC-1155 to combine fungible and non-fungible attributes, ERC-1400 for compliant security tokens, and many others. —Lawrence Wintermeyer, Forbes.com, 7 Aug. 2025

The first-term senator got a nationwide introduction earlier this year, when her party tapped her to deliver its response to the president’s joint address to Congress. —David Weigel, semafor.com, 5 Aug. 2025

Still, most non-native bird species have failed to develop permanent populations in their new environments, according to Julie Craves, an ornithologist who has studied the introduction and expansion of European goldfinches in the United States, especially the Great Lakes region. —Sheryl De Vore, Chicago Tribune, 5 Aug. 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