Substitution

/ˌsʌb.stɪˈtjuː.ʃən/

Meaning & Definition

noun

the act of replacing one person or thing with another

The substitution of sugar with honey can enhance the flavor of the dish.

a thing or person that replaces another

The teacher made a substitution in the lineup to improve the team's performance.

in sports, the act of replacing a player with another player

The coach made a substitution during the second half of the game.

in mathematics, the process of replacing a variable with a number or another variable

The student learned how to perform substitution in algebra to solve equations.

a replacement, especially in legal or contractual contexts

The contract allowed for substitution of the goods if they were found to be defective.

From Latin 'substitutio', from 'substituere', meaning to place under.

substitution effect

The change in demand for a good due to a change in its price affecting the consumption of substitutes.

substitution principle

The economic principle where consumers will replace more expensive items with less costly alternatives.

substitute

A person or thing acting or serving in place of another.

replacement

The action or process of replacing someone or something.

Swapping things out.

I did a substitution with my schedule to fit in that meeting.

Using something different for the same purpose.

He made a last-minute substitution with his presentation.