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
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 Star Wars timeline in Black Spire Outpost has expanded since the opening of Galaxy’s Edge in 2019 with the introduction of characters like the Mandalorian, Grogu, Ahsoka Tano and Luke Skywalker.
—
Brady MacDonald, Oc Register, 14 Jan. 2026
Both the introduction of school choice and the aging population in the Valley have compounded against school districts.
—Erick Trevino, AZCentral.com, 14 Jan. 2026
Mellerio also stepped into the watch space, with the 2023 introduction of the M Cut ovoid design, and launched a perfume.
—Lily Templeton, Footwear News, 14 Jan. 2026
The students were polite to start the game, giving him some applause during introductions.
—Eric Sondheimer, Los Angeles Times, 13 Jan. 2026
See All Example Sentences for introduction
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Cite this Entry
“Introduction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/introduction. Accessed 20 Jan. 2026.
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
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