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 and thus. …

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

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

n. 1. a. The act or process of substituting: the substitution of human workers with robots. b. An instance of this: made several substitutions to the recipe. 2. One that is substituted; a substitute; a …

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 spelling, meaning "a …

sub•sti•tu•tion, n. [uncountable] the substitution of one budget problem for another. [countable] The coach made a few substitutions in the defensive team.See -stit-.

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

Aug 1, 2024 · Substitution is a fundamental mathematical technique used to solve equations and simplify complex expressions by replacing one term or variable with an equivalent expression.