Definition of "introduction"
noun:
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The act or process of introducing.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A means, such as a personal letter, of presenting one person to another.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
An initial section of a book or article, which introduces the subject material.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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