introduction
Collocations
10(noun.) first use
ADJ
early, gradual, recent, widespread
PREP
~ into
The school planned the introduction of a new homework system into the curriculum next term.
(noun.) first part of a book/talk
ADJ
brief, short
The teacher gave a short introduction to the new topic before dividing the class into groups.
PREP
in an/the ~
The author explains her research methods in the introduction to her new book.
~ to
My teacher wrote an introduction to the textbook that helped us understand the main ideas.
(noun.) book for studying a subject
ADJ
excellent, general, useful
The teacher gave us a useful introduction to computer programming before we started the project.
PREP
~ to
(noun.) telling people each other's names
ADJ
formal
VERB + INTRODUCTION
make
When the new student arrived, her teacher made introductions to the rest of the class.
PHRASES
a letter of introduction
My new colleague brought a letter of introduction from her previous employer on her first day.