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 million substitutions will also be set in motion in the larger global economy in response to the rising risk premium on Persian Gulf oil.

From The Wall Street Journal

Bosnia was a case in point, with some supporters critical of the substitutions made as Wales lost control of the game - and their destiny - in a key period.

From BBC

The bank expects resilient demand and cash flow across the sector, supported by stimulus safeguarding local supply chains and acceleration of import substitution, to partially offset prolonged volatility risks.

From The Wall Street Journal

It also can measure the limits of releases from strategic petroleum reserves, spare production capacity, freight constraints and refinery substitution, he said.

From MarketWatch

"While several alternatives were considered, it was ultimately decided that no substitutions will be made in April," Formula 1's governing body the FIA said in a statement before Sunday's Chinese Grand Prix.

From BBC