substitution

noun
sub·​sti·​tu·​tion | \ ˌsəb-stə-ˈtü-shən How to pronounce substitution (audio) , -ˈtyü-\

Definition of substitution

1a : the act, process, or result of substituting one thing for another
b : replacement of one mathematical entity by another of equal value
2 : one that is substituted for another

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Other Words from substitution

substitutional \ ˌsəb-​stə-​ˈtü-​shnəl How to pronounce substitutional (audio) , -​shə-​nᵊl , -​ˈtyü-​ \ adjective
substitutionally adverb
substitutionary \ ˌsəb-​stə-​ˈtü-​shə-​ˌner-​ē How to pronounce substitutionary (audio) , -​ˈtyü-​ \ adjective

Examples of substitution in a Sentence

The coach made three substitutions in the second half of the game. I'd prefer rice with my steak instead of potatoes, but the menu says “no substitutions.” Substitution of applesauce for oil is one way of reducing the fat in recipes. The cookbook has a long list of substitutions for ingredients that may be hard to find.
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Recent Examples on the Web

At Liquor Lab in Manhattan, which offers interactive classes in creating craft cocktails, requests for nonalcoholic substitutions grew to 25% from 10% of students booking reservations in January. Anne Kadet, WSJ, "Dry January Has New York Bartenders Mixing $10 Mocktails," 22 Jan. 2019 The first half of the week requires following a specific menu and only making approved (yet completely arbitrary) substitutions. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "Everything You Need to Know About the Military Diet, According to a Nutritionist," 11 Dec. 2018 The other substitutions were Marcus Epps for Borek Dockal in the 77th and Cory Burke for C.J. Sapong in the 85th. Jonathan Tannenwald, Philly.com, "Sebastian Giovinco, Victor Vázquez lead Toronto FC's 3-0 blowout of Union," 6 May 2018 The substitution moved starting right back Adolfo Machado back to his regular spot at center back. Corey Roepken, Houston Chronicle, "Dynamo fall to Vancouver Whitecaps FC in rare home loss," 10 Mar. 2018 Optional: Vegan, vegetarian and gluten-free substitutions are available for many items. Marc Bona, cleveland.com, "Brim Brewery + Kitchen: Northeast Ohio's best weekend brunches, breakfasts," 13 Jan. 2018 Sergio Ramos, who scored Madrid’s second goal, picked up a knock that led to his substitution at halftime, while Raphael Varane saw a direct red for fouling Pablo Piatti with only the goalkeeper to beat. Joseph Wilson, The Seattle Times, "‘Leo never misses’: Messi scores again as Barca beats Girona," 27 Jan. 2019 Carbon emissions from power generation have fallen by 30% since 2005, mostly due to the substitution of coal with natural gas. The Editorial Board, WSJ, "Vote on the Green New Deal," 11 Feb. 2019 Despite the wonky terminology, logistic substitution is quite familiar to most modern-day consumers. David Roberts, Vox, "The case for “conditional optimism” on climate change," 29 Jan. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'substitution.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of substitution

14th century, in the meaning defined at sense 1a

History and Etymology for substitution

Middle English substitucion, from Middle French, from Late Latin substitution-, substitutio, from substituere

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Statistics for substitution

Last Updated

4 Apr 2019

Look-up Popularity

Time Traveler for substitution

The first known use of substitution was in the 14th century

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More Definitions for substitution

substitution

noun

English Language Learners Definition of substitution

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

substitution

noun
sub·​sti·​tu·​tion | \ ˌsəb-stə-ˈtü-shən How to pronounce substitution (audio) , -ˈtyü-\

Kids Definition of substitution

: the act or process of putting in or taking the place of another

substitution

noun
sub·​sti·​tu·​tion | \ ˌsəb-stə-ˈt(y)ü-shən How to pronounce substitution (audio) \

Medical Definition of substitution

1 : a chemical reaction in which one or more atoms or groups in a molecule are replaced by equivalent atoms or groups to form at least two products especially : the replacement of hydrogen in an organic compound by another element or group
2a : the turning from an obstructed desire to another desire whose gratification is socially acceptable
b : the turning from an obstructed form of behavior to a different and often more primitive expression of the same tendency a substitution neurosis
c : the reacting to each of a set of stimuli by a response prescribed in a key a substitution test for speed of learning new responses

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substitution

noun
sub·​sti·​tu·​tion | \ ˌsəb-stə-ˈtü-shən, -ˈtyü- How to pronounce substitution (audio) \

Legal Definition of substitution

: the substituting of one person or thing for another: as
a in the civil law of Louisiana : a disposition not in trust by which a donee, heir, or legatee is charged to hold property transferred and return it to a third person — compare fidei commissum, vulgar substitution

Note: Substitutions are prohibited.

b : replacement of a party to an action with a successor or representative upon motion to the court when the party is unable to continue litigating (as because of death, incompetency, transfer of interest, or loss of the office for which the party was suing or being sued in an official capacity)
c : the replacement of a new agreement or obligation for an old one — see also novation

Other Words from substitution

substitutional \ -​shə-​nəl How to pronounce substitutional (audio) \ adjective
substitutionary \ -​shə-​ˌner-​ē How to pronounce substitutionary (audio) \ adjective

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Comments on substitution

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