Meaning of introduction in English
1. introducing of persons to one another
a letter of introduction
2. bringing into general use for the first time
the introduction of Christianity into Asian countries
the introduction of new manufacturing methods
3. a person or thing introduced
iPhone was a 2007 introduction.
4. a piece of writing at the beginning of a book that tells you what the book is about; explanatory article
a book on physics with ten chapters and an introduction
5. a first book for beginners; elementary textbook
an introduction to English grammar