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

SUBSTITUTION definition: 1. the use of one person or thing instead of another: 2. in team games, the act of changing one…. Learn more.

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:

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 …

SUBSTITUTION meaning: 1 : the act of substituting or replacing one person or thing with another; 2 : someone or something that is or can be substituted for another

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

The noun substitution refers to the act of replacing one thing with another. 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 reactions in organic chemistry are classified either as electrophilic or nucleophilic depending upon the reagent involved, whether a reactive intermediate involved in the reaction is a carbocation, …

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