Summation definition

sə-māshən
The act or process of summing up, or of finding a total.
noun
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A sum or aggregate.
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A total or aggregate.
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(physiology) The process by which multiple or repeated stimuli can produce a response in a nerve, muscle, or other part that one stimulus alone cannot produce.
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(physiology) The process by which multiple or repeated stimuli can produce a response in a nerve, muscle, or other part that one stimulus alone cannot produce.
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noun
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(mathematics): An adding up of a series of items.
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The act or process of adding; addition.
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A concluding argument after the presentation of a legal case, especially an argument made to a judge or jury by an attorney for a party as to why that party should prevail.
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The final summing up of arguments, as in a court trial or debate, before the decision is given.
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Other Word Forms

Noun

Singular:
summation
Plural:
summations

Origin of summation

  • New Latin summātiō summātiōn- from Late Latin summātus past participle of summāre to sum up from Latin summa sum sum

    From American Heritage Dictionary of the English Language, 5th Edition

Summation Sentence Examples

  • In such cases the immediate damage done may be slight; but the effects of prolonged action and the summation of numerous attacks at numerous points are often enormotis, certain of these leafdiseases costing millions sterling annually to some planting and agricultural communities.

  • The practical bearings of a science, it will be granted, are simply, as it were, the summation of its facts, with the legitimate conclusions from them, the natural application of the data ascertained, and have not necessarily any direct relationship to its pursuit.

  • In any region of velocity where it is possible to represent p with sufficient accuracy by an empirical formula composed of a single power of v, say v m, the integration can be effected which replaces the summation in (to), (16), and (24); and from an analysis of the Krupp experiments Colonel Zabudski found the most appropriate index m in a region of velocity as given in the following table, and the corresponding value of gp, denoted by f (v)or v m lk or its equivalent Cr, where r is the retardation.

  • The sign of summation X is used in cases where there are several absorption bands, and consequently several similar terms on the right-hand side, each with a different value of A m.

  • The relationship is expressed more exactly by Abel's summation formula.

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