sum /ˈsʌm/
 總數,和,金額,全部,概略,頂點(vt.)總計,概括(vi.)合計;[數]並,並集


 sum
 部分和閘


 sum
 和


 sum
 和 總數


 Sum n.
 1. The aggregate of two or more numbers, magnitudes, quantities, or particulars; the amount or whole of any number of individuals or particulars added together; as, the sum of 5 and 7 is 12.
    Take ye the sum of all the congregation.   --Num. i. 2.
 Note: ☞ Sum is now commonly applied to an aggregate of numbers, and number to an aggregate of persons or things.
 2. A quantity of money or currency; any amount, indefinitely; as, a sum of money; a small sum, or a large sum. “The sum of forty pound.”
    With a great sum obtained I this freedom.   --Acts xxii. 28.
 3. The principal points or thoughts when viewed together; the amount; the substance; compendium; as, this is the sum of all the evidence in the case; this is the sum and substance of his objections.
 4. Height; completion; utmost degree.
 Thus have I told thee all my state, and brought
 My story to the sum of earthly bliss.   --Milton.
 5. Arith. A problem to be solved, or an example to be wrought out.
    A sum in arithmetic wherein a flaw discovered at a particular point is ipso facto fatal to the whole.   --Gladstone.
    A large sheet of paper . . . covered with long sums.   --Dickens.
 Algebraic sum, as distinguished from arithmetical sum, the aggregate of two or more numbers or quantities taken with regard to their signs, as + or -, according to the rules of addition in algebra; thus, the algebraic sum of -2, 8, and -1 is 5.
 In sum, in short; in brief. [Obs.] “In sum, the gospel . . . prescribes every virtue to our conduct, and forbids every sin.” --Rogers.


 Sum, v. t. [imp. & p. p. Summed p. pr. & vb. n. Summing.]
 1. To bring together into one whole; to collect into one amount; to cast up, as a column of figures; to ascertain the totality of; -- usually with up.
    The mind doth value every moment, and then the hour doth rather sum up the moments, than divide the day.   --Bacon.
 2. To bring or collect into a small compass; to comprise in a few words; to condense; -- usually with up.
    =\“Go to the ant, thou sluggard,” in few words sums up the moral of this fable.\=   --L'Estrange.
    He sums their virtues in himself alone.   --Dryden.
 3. Falconry To have (the feathers) full grown; to furnish with complete, or full-grown, plumage.
 But feathered soon and fledge
 They summed their pens [wings].   --Milton.
 Summing up, a compendium or abridgment; a recapitulation; a résumé; a summary.
 Syn: -- To cast up; collect; comprise; condense; comprehend; compute.

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 sum
      n 1: a quantity of money; "he borrowed a large sum"; "the amount
           he had in cash was insufficient" [syn: sum of money, amount,
            amount of money]
      2: a quantity obtained by addition [syn: amount, total]
      3: the final aggregate; "the sum of all our troubles did not
         equal the misery they suffered" [syn: summation, {sum
         total]
      4: the choicest or most essential or most vital part of some
         idea or experience; "the gist of the prosecutor's
         argument"; "the heart and soul of the Republican Party";
         "the nub of the story" [syn: kernel, substance, core,
          center, essence, gist, heart, heart and soul, inwardness,
          marrow, meat, nub, pith, nitty-gritty]
      5: the whole amount [syn: total, totality, aggregate]
      6: the basic unit of money in Uzbekistan
      7: a set containing all and only the members of two or more
         given sets; "let C be the union of the sets A and B" [syn:
          union, join]
      v 1: be a summary of; "The abstract summarizes the main ideas in
           the paper" [syn: summarize, summarise, sum up]
      2: determine the sum of; "Add all the people in this town to
         those of the neighboring town" [syn: total, tot, {tot
         up, sum up, summate, tote up, add, add together,
          tally, add up]
      [also: summing, summed]