substitution
/ˌsʌbstɪˈtjuːʃən/ noun [C or U]Definition
› 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 noun from the Cambridge Business English Dictionary
© Cambridge University Press)
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