substitution
From Wiktionary
Substitution is part of the Academic Word List. It is important for students in college and university.
Noun [change]
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Singular |
- (countable & uncountable) A substitution is the act or replacing one person or thing with another.
- The accidental substitution of one medicine for another can be deadly.
- They had no extra players, so were unable to make any substitutions.