The meaning of SUBSTITUTION is the act, process, or result of substituting one thing for another. How to use substitution in a sentence.

We can use many different words and phrases in substitution, including words such as both, either, some (indefinite quantifying pronouns), do and so, and expressions such as the same …

Definition of substitution noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Substitute means to put in the place of another. In Algebra Substitution means putting numbers where the letters are:

SUBSTITUTION definition: the act of substituting or state of being substituted See examples of substitution used in a sentence.

Dec 14, 2025 · substitution (countable and uncountable, plural substitutions) The act of substituting or the state of being substituted.

Your football coach might make a substitution by sending you onto the field to take over for a player who is tired or injured. Substitution comes from the Middle French word of the same …

Definition of 'substitution' substitution in American English (ˌsʌbstəˈtuʃən ; ˌsʌbstəˈtjuʃən ) noun the substituting of one person or thing for another

Substitution means replacing the variables in an algebraic expression, equation or inequality. You can substitute values to solve general mathematical formulas.

Substitution is also a method that is used for solving systems of equations. Generally, this involves using one of the equations to write one variable in terms of the other and substituting …