noun the action of replacing someone or something with another person or thing
In mathematics, substitution is the act of replacing variables with their corresponding values in an expression or equation.
In cooking, substitution involves replacing one ingredient with another in a recipe.
In linguistics, substitution is a transformational process where one element in a sentence is replaced by another element.
In sports, substitution refers to the act of replacing one player with another during a game or match.
In computer science, substitution is commonly used in programming to replace variables with specific values or expressions.
In chemistry, substitution reactions involve the replacement of one atom or group of atoms with another atom or group of atoms in a molecule.
In writing, substitution refers to replacing one word or phrase with another that has a similar meaning or serves the same purpose. Writers use substitution to vary their language and avoid repetition.
In psychology, substitution can refer to a defense mechanism where an individual replaces an unacceptable or unattainable goal, object, or emotion with one that is more acceptable or attainable. Psychologists may also use substitution as a technique in therapy to help clients replace negative thoughts or behaviors with more positive ones.
In culinary arts, substitution involves replacing one ingredient with another in a recipe. Chefs may use substitutions to accommodate dietary restrictions, allergies, or ingredient availability. It requires knowledge of flavors, textures, and cooking techniques to ensure the dish still turns out well.
In sports medicine, substitution can refer to replacing an injured or fatigued player with a substitute during a game. Athletic trainers work with coaches to determine when substitutions are necessary to maintain the team's performance and prevent further injury to players.