substitution

noun
sub·​sti·​tu·​tion | \ ˌsəb-stə-ˈtü-shən , -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 , -​shə-​nᵊl , -​ˈtyü-​ \ adjective
substitutionally adverb
substitutionary \ ˌsəb-​stə-​ˈtü-​shə-​ˌner-​ē , -​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

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 To effectuate the substitution, the party will now nominate Ms. Nixon for a seat in the state Assembly and Mr. Williams for a seat in the state Senate. Jimmy Vielkind, WSJ, "Working Families Party Decides to Back Cuomo in Election," 3 Oct. 2018 The Reds scored all of their runs after the Spring Training-style substitutions began. Bobby Nightengale, Cincinnati.com, "Tyler Mahle roughed up, Cincinnati Reds crushed in 19-4 loss to Cleveland Indians," 11 July 2018 The numbers are, of course, extremely unofficial — the quarterbacks’ practice jerseys do not make identification so easy, nor do the line-change substitutions — and not every quarterback is asked to do the same thing. Jonas Shaffer, baltimoresun.com, "Minicamp comes with caveats, but Ravens' Joe Flacco still leads quarterback pack," 13 June 2018 No substitution of prize or transfer/assignment of prize to others or request for the cash equivalent by winners is permitted. The Cut, "Enter to Win $500 Worth of Jewelry and Tickets to Broadway’s Hottest Play," 5 June 2018 The teams identify the five gamers before each game, but no substitutions. Vince Ellis, Detroit Free Press, "Detroit Pistons Gaming Team - and NBA - create bold eSports gambit," 29 Apr. 2018 When Miller jogged off the court for a substitution, one walked to the sideline and clapped his hands in Miller's face. Special To The Oregonian, OregonLive.com, "Salem basketball player alleges harassment, wants answers," 30 Mar. 2018 Subasic, by the way, appears to be O.K. and has stayed on despite both teams getting another substitution for extra time. Rory Smith, New York Times, "Russia Finally Falls, Leaving a Trail of Admirers and Doubters," 8 July 2018

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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Last Updated

7 Feb 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 , -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 \

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- \

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 \ adjective
substitutionary \ -​shə-​ˌner-​ē \ adjective

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