substitution
UK /ˌsʌb.stɪˈtjuː.ʃən/ US /ˌsʌb.stɪˈtu.ʃən/
noun 4
Definitions
noun
1
The act of substituting or the state of being substituted.
In this football tournament, three substitutions can be made during the match.
2
A substitute or replacement.
Gary is off this weekend, so Jeff will be his substitution.
3
The replacement of an atom, or group of atoms, in a compound, with another.
4
The expansion of the lexicon of a language by native means in correspondence to a foreign term.
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