introduction

in⋅tro⋅duc⋅tion

/ˌɪntrəˈdʌkʃən/ Show Spelled Pronunciation [in-truh-duhk-shuhn] Show IPA Pronunciation

–noun

1.	the act of introducing or the state of being introduced.

2.	a formal personal presentation of one person to another or others.

3.	a preliminary part, as of a book, musical composition, or the like, leading up to the main part.

4.	an elementary treatise: an introduction to botany.

5.	an act or instance of inserting.

6.	something introduced.

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Origin:
1350–1400; ME introduccion < class="ital-inline">intrōductiōn- (s. of intrōductiō). See introduce, -tion