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 Devise a blueprint of import substitution that offsets the need and reliance on Chinese products by encouraging research and development, and innovation. Niharika Sharma, Quartz India, "India will need to step up if it wants to avoid Chinese money for its infrastructure projects," 2 July 2020 To help offset the fitness demands, the USL is raising its substitution limit from three to five. Greg Luca, ExpressNews.com, "San Antonio FC ramping up for return to play July 17," 5 July 2020 The tournament rules allow for five substitution per match, so Stam can test the squad's depth. Pat Brennan, The Enquirer, "MLS Is Back Tournament: Why FC Cincinnati is confident heading to Orlando," 23 June 2020 Together with the substitution of plexiglass in the side and rear windows, the aluminum skin reduced the DB4's weight by about 300 pounds. Tony Assenza, Car and Driver, "Tested: 1962 Aston Martin DB4GT Zagato Survives Two C/D Tests," 23 June 2020 Experts agree there is no perfect substitution for human touch. Lila Seidman, Los Angeles Times, "You could use a hug. Here are some safe options," 23 June 2020 The union also wants to discuss with MLB the possibility of changing the substitution rules in extra innings, allowing players to re-enter the game among other possibilities. Bob Nightengale, USA TODAY, "MLB considering ties for 2020 season as part of modified extra innings plan," 20 June 2020 An early wave of import substitution was derailed by a debt crisis. The Economist, "Production lions How manufacturing might take off in Africa," 13 June 2020 The substitution limit for the tournament will follow the new protocol set by the IFAB and allow five substitutions per match. Shelby Dermer, Cincinnati.com, "MLS is Back tournament to begin July 8 at the ESPN Wide World of Sports Complex in Orlando," 10 June 2020

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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Time Traveler for substitution

Time Traveler

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

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Statistics for substitution

Last Updated

20 Jul 2020

Cite this Entry

“Substitution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/substitution. Accessed 7 Aug. 2020.

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More Definitions for substitution

substitution

noun
How to pronounce substitution (audio)

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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