summation

noun

sum·​ma·​tion (ˌ)sə-ˈmā-shən How to pronounce summation (audio)
1
: the act or process of forming a sum : addition
2
: sum, total
3
: cumulative action or effect
especially : the process by which a sequence of stimuli that are individually inadequate to produce a response are cumulatively able to induce a nerve impulse
4
: a final part of an argument reviewing points made and expressing conclusions
summational adjective

Examples of summation in a Sentence

A summation can be found at the end of the report. We gave a summation of our discovery. The defense attorneys and prosecutors are set to make their final summations today.
Recent Examples on the Web Trump shook his head vigorously as Kaplan spoke early in her summation, then suddenly stood and walked out, taking Secret Service agents with him. Jennifer Peltz, Twin Cities, 26 Jan. 2024 This might be Mann’s most personal and emotional film to date, a summation of a life spent striving for unreachable excellence while constantly looking ahead to new challenges. Los Angeles Times Staff, Los Angeles Times, 26 Jan. 2024 Former President Donald Trump aims to deliver his own closing argument Thursday in his New York civil business fraud trial in addition to his legal team’s summations, according to two people familiar with the highly unusual plan. Jennifer Peltz, Fortune, 10 Jan. 2024 In the next phase of the trial, each side will present a 25,000-word summation brief by Jan. 5, followed by oral arguments where attorneys will likely be grilled by Engoron, who already in a pretrial partial summary judgment that Trump had used fraudulent documents to conduct business. Peter Charalambous, ABC News, 14 Dec. 2023 The report is the summation of months of investigation by the committee, which held its first hearing just nine months ago and has become a rare example of bipartisan cooperation amid fierce division in the House. Cate Cadell, Washington Post, 12 Dec. 2023 The punctuation tongue emoji is the perfect summation of the raunchy collaboration. Larisha Paul, Rolling Stone, 5 Dec. 2023 That demo is actually a perfect summation of both the strengths and weaknesses of a tool like Q&A. David Pierce, The Verge, 14 Nov. 2023 That computation is done in analog as a simple summation of currents, potentially saving huge amounts of power. IEEE Spectrum, 11 Oct. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'summation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1760, in the meaning defined at sense 1

Time Traveler
The first known use of summation was in 1760

Dictionary Entries Near summation

Cite this Entry

“Summation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/summation. Accessed 1 Mar. 2024.

Kids Definition

summation

noun
sum·​ma·​tion (ˌ)sə-ˈmā-shən How to pronounce summation (audio)
1
: the act or process of forming a sum : addition
2
3
: a final part of an argument reviewing points made and expressing conclusions

Medical Definition

summation

noun
sum·​ma·​tion (ˌ)sə-ˈmā-shən How to pronounce summation (audio)
: cumulative action or effect
especially : the process by which a sequence of stimuli that are individually inadequate to produce a response are cumulatively able to induce a nerve impulse see spatial summation, temporal summation

Legal Definition

summation

noun
sum·​ma·​tion sə-ˈmā-shən How to pronounce summation (audio)

More from Merriam-Webster on summation

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