what is the definition of introduction?

Learn Definition of introduction from the DictAbc Dictionary, How to use introduction in a Example Sentence.

introduction Definition In English

0 an occasion when something is put into use or brought to a place for the first time:
- specialized The introduction of the tube into the artery is a very delicate procedure.
- Within a year of its introduction, questions began to emerge about the safety of the drug.
- The introduction of new working practices has dramatically improved productivity.
1 the action of telling someone another person's name the first time that they meet:
- My next guest needs no introduction (= is already known to everyone).
- You'll have to do/make the introductions - I don't know everyone's name.
2 the first part of something:
- The song's great, but the introduction's a bit too long.
- Have you read the introduction to the third edition?
3 the first time someone experiences something:
- That trip was my introduction to winter sports.
4 a book or course that provides basic knowledge about a subject:
- an introduction to psychology
5 a short speech or piece of writing that comes before a longer speech or written text, usually giving basic information about what is to follow:
- The author’s introduction explains the organization of the book.

The left introduction rules plus weakening and cut are used to compute the logical consequences of a given formula.
The monograph is presented in four sections plus an introduction and conclusion.
This difference reflects the purposeful selection of producers by the organic contracting company, especially during the introduction of organic agriculture to the region.
This was all worked out prior to the synthesis to provide a musically coherent structure - one with an introduction, development, climax and recapitulation.
The book has three parts : a brief introduction and a useful overview of succeeding chapters by the editors.
It is unclear what will be the impact of the introduction of booster doses in older groups on transmission to younger at-risk age groups.
An increase in soil micro-ora linked to the introduction of cacao trees leads to corresponding fertilizer savings.
As discussed in the introduction, the ability to generate symbolic play requires the ability to produce actions outside the context in which they typically occur.