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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Ever the wry observer of modern life, Didion could fashion arch vignettes out of therapy summations. Evelyn McDonnell 5, Literary Hub, 5 June 2025 In summation, the stakes remain pretty high for the wider energy market and that of both nations, but Pakistan appears to be in a particularly vulnerable position. Follow me on Twitter. Gaurav Sharma, Forbes.com, 12 May 2025 Reckoning is that the nearly three-hour film is overly plot-heavy due to striving to feel like a summation of the eight-film franchise — most of which felt like stand-alone stories until Dead Reckoning (which was originally titled Dead Reckoning Part One) and The Final Reckoning. James Hibberd, HollywoodReporter, 19 May 2025 She’s turned painting into a summation of her practice, creating monumental compositions that counterpose individuals with the frames imposed by nature, culture, and the cosmos. Julian Lucas, New Yorker, 5 May 2025 See All Example Sentences for summation

Word History

First Known Use

1760, in the meaning defined at sense 1

Time Traveler
The first known use of summation was in 1760

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Cite this Entry

“Summation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/summation. Accessed 9 Jun. 2025.

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)

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