Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “substitution”

substitution

noun [C or U]
 
 
/ˌsʌbstɪˈtjuːʃən/
the act of using something new or different instead of something else, or the new thing that is used: the substitution of sth (for sth) The government plans to encourage the substitution of cheap generic drugs for expensive brand-name ones. Telecommuting is not a substitution for child care.
→ See also product substitution
(Definition of substitution from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of substitution?
Browse related topics

You are looking at an entry to do with Replacing and exchanging, but you might be interested in these topics from the Changing and not changing topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “substitution” in other dictionaries

Word of the Day

workmanship

the skill with which something was made or done

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More