summation

• POS: Noun
• HYPHEN: sum=ma=tion

CIDE DICTIONARY

summation, n. [Cf. F. sommation. See Sum, v. t.].

 The act of summing, or forming a sum, or total amount; also, an aggregate.  [1913 Webster]
"Of this series no summation is possible to a finite intellect."  [1913 Webster]

OXFORD DICTIONARY

summation, n.
1 the finding of a total or sum; an addition.
2 a summing-up.

Derivative

summational adj.

THESAURUS

summation

abbreviation, abridgment, abstract, account, accounts, addend, aggregate, amount, apocope, argument, body count, box score, capitulation, cast, census, compression, condensation, conspectus, core, count, curtailment, difference, elision, ellipsis, epitome, essence, evidence, foreshortening, gist, head count, inventory, main point, meat, nose count, number, pith, plus, plus sign, precis, product, quantity, recap, recapitulation, reckoning, recount, recounting, reduction, rehearsal, repertory, resume, retrenchment, run-through, rundown, score, shortening, statement, substance, subtotal, sum, sum and substance, summary, summing, summing up, summing-up, syncope, synopsis, tale, tally, telescoping, testimony, the bottom line, the story, the whole story, total, truncation, whole, x number

ROGET THESAURUS

summation

Numeration

N numeration, numbering, pagination, tale, recension, enumeration, summation, reckoning, computation, supputation, calculation, calculus, algorithm, algorism, rhabdology, dactylonomy, measurement, statistics, arithmetic, analysis, algebra, geometry, analytical geometry, fluxions, differential calculus, integral calculus, infinitesimal calculus, calculus of differences, dead reckoning, muster, poll, census, capitation, roll call, recapitulation, account, notation, addition, subtraction, multiplication, division, rule of three, practice, equations, extraction of roots, reduction, involution, evolution, estimation, approximation, interpolation, differentiation, integration, abacus, logometer, slide rule, slipstick, tallies, Napier's bones, calculating machine, difference engine, suan- pan, adding machine, cash register, electronic calculator, calculator, computer, arithmetician, calculator, abacist, algebraist, mathematician, statistician, geometer, programmer, accountant, auditor, numeral, numerical, arithmetical, analytic, algebraic, statistical, numerable, computable, calculable, commensurable, commensurate, incommensurable, incommensurate, innumerable, unfathomable, infinite, quantitatively, arithmetically, measurably, in numbers.