substitution

British  

/ ˌsʌbstɪˈtjuːʃən /

noun

1. the act of substituting or state of being substituted

2. something or someone substituted

3. maths the replacement of a term of an equation by another that is known to have the same value in order to simplify the equation

4. maths logic

   1. the uniform replacement of one expression by another

   2. an expression so derived from another

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Example Sentences

A series of McFarlane substitutions made a difference after the interval.

From BBC

If Zirkzee wasn't injured and that was a tactical substitution, it was a really poor one.

From Barron's

Watkins labelled his manager a "tactical genius" for a triple substitution and change of shape that turned the tide Villa's way.

From Barron's

But Brighton changed things at half-time with a double substitution.

From BBC

Amorim tinkered his system once more to try and turn the tide, but his substitution of Casemiro left the Brazilian befuddled.

From Barron's