1 substitution | Definition of substitution

substitution

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

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-​ˈtĂŒ-​shnəl How to pronounce substitutional (audio) , -​shə-​nᔊl , -​ˈtyĂŒ-​ \ adjective
substitutionally adverb
substitutionary \ ˌsəb-​stə-​ˈtĂŒ-​shə-​ˌner-​ē How to pronounce substitutionary (audio) , -​ˈtyĂŒ-​ \ 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

From then on, both managers began to make several substitutions and the game became disjointed and did not make for free-flowing attacking play from either side. SI.com, "Barcelona 2-1 Arsenal: Report, Ratings & Reaction as Barça Fight Back to Win Joan Gamper Trophy," 4 Aug. 2019 AtlĂ©tico held back its first team until the final 35 minutes of play, making nine substitutions in the 55th minute and bringing in captain Koke and stars JoĂŁo FĂ©lix and Diego Costa. Julia Poe, Pro Soccer USA, "MLS All-Star team falls 3-0 to AtlĂ©tico Madrid squad powered by young star JoĂŁo FĂ©lix," 2 Aug. 2019 Judges commonly disallow or delay substitution of counsel. Ephrat Livni, Quartz, "What’s driving Trump’s war with the Supreme Court on the census citizenship question," 10 July 2019 Sweden coach Peter Gerhardsson made substitutions fairly early in the second half. Alicia Delgallo, Pro Soccer USA, "USWNT defeats Sweden 2-0, wins group and sets another Women’s World Cup record," 2 Aug. 2018 Yet Ellis has still been criticized: for her substitutions, for being too defensive, for being too adventurous, for not being a true leader. Aimee Lewis, CNN, "Jill Ellis: The shy girl from England who became US Soccer's record-breaking head coach," 5 July 2019 Bloomer admits to taking advantage of umpires who don’t keep track of substitutions and using players who should not be eligible to re-enter a game. Jason Frakes, The Courier-Journal, "Love him or hate him, there's no denying Male softball coach Josh Bloomer is a winner," 13 June 2019 But for 80 minutes of the game there wasn’t much excitement.’’ Schmetzer was pleased with the fitness level of his players, waiting until the 83rd minute to make his first substitution. Geoff Baker, The Seattle Times, "Sounders survive last-minute scare to extend unbeaten mark to four games," 31 Mar. 2019 The substitution permitted one last ovation for Pujols. Andy Mccullough, latimes.com, "Cardinals fans give Albert Pujols a rousing welcome at Busch Stadium," 21 June 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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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-ˈtĂŒ-shən How to pronounce substitution (audio) , -ˈtyĂŒ-\

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)ĂŒ-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-ˈtĂŒ-shən, -ˈtyĂŒ- 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