introduction

B1 · Intermediate Countable noun

n. the first part of a book, article, or speech that explains what it is about.

n. the preliminary section of a literary work or speech that establishes the context and purpose of the main text.

“The introduction of the book explains why the author decided to travel across Africa.”

“In the introduction to his thesis, the candidate clearly outlined the methodology and the specific research questions he intended to address.”

B2 · Upper Intermediate Uncountable noun

n. the first time a new system, product, or idea is used or brought into a place.

n. the act of bringing something into use or operation for the first time.

“The introduction of the new law caused a lot of debate in the city.”

“The introduction of automated machinery significantly increased the factory's output but also necessitated a comprehensive retraining program for the staff.”

B1 · Intermediate Countable noun Academic

n. a short book or course that teaches you the basic facts about a subject.

n. a preliminary explanation or a basic treatment of a subject for beginners.

“I am taking a class that is an introduction to ancient history.”

“This seminar provides a thorough introduction to quantum mechanics, assuming no prior knowledge of the mathematical frameworks involved.”