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substitution

UK/ˌsʌb.stɪˈtʃuː.ʃən/US/ˌsʌb.stɪˈtu.ʃən/
nounC1Occasional — familiar, but not everyday · #11,232 of 15,258leans written

Other forms: substitutions

A substitution is the putting of one thing in place of another. A late substitution.

In football a substitution is limited in number, which is why the timing is argued about. In cooking a substitution changes the result more often than the recipe admits.

Samson Ssemakadde · CC0

Definitions of substitution

  1. 1nounsubstitutionThe putting of one thing in place of another.C1

    “The substitution in the seventieth minute won the match.”

substitution is a replacing.

Where it comes from

Latin substitutio comes from substituere, to put in place of, from sub plus statuere, to set up.

  1. Latin

    substitutio

  2. Middle French

    substitution

  3. English, today

    substitution

From Middle French substitution, from Latin substitutio.

Etymology from Wiktionary, CC BY-SA

Practise this word

substitution in the wild

  • The receiver deciphers the text by performing the inverse substitution process to extract the original message.

    Substitution cipher

  • There are a number of different types of substitution cipher.

    Substitution cipher

  • As with all single-alphabet substitution ciphers, the Caesar cipher is easily broken and in modern practice offers essentially no communications security.

    Caesar cipher

  • In the case of a definite integral, this substitution changes the interval of integration.

    Trigonometric substitution

  • A substitution is a syntactic transformation on formal expressions.

    Substitution (logic)

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From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.