Sum Sum, n. [OE. summe, somme, OF. sume, some, F. somme, L. summa, fr. summus highest, a superlative from sub under. See {Sub-}, and cf. {Supreme}.] 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. [1913 Webster]

Take ye the sum of all the congregation. --Num. i. 2. [1913 Webster]

Note: Sum is now commonly applied to an aggregate of numbers, and number to an aggregate of persons or things. [1913 Webster]

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.'' --Chaucer. [1913 Webster]

With a great sum obtained I this freedom. --Acts xxii. 28. [1913 Webster]

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. [1913 Webster]

4. Height; completion; utmost degree. [1913 Webster]

Thus have I told thee all my state, and brought My story to the sum of earthly bliss. --Milton. [1913 Webster]

5. (Arith.) A problem to be solved, or an example to be wrought out. --Macaulay. [1913 Webster]

A sum in arithmetic wherein a flaw discovered at a particular point is ipso facto fatal to the whole. --Gladstone. [1913 Webster]

A large sheet of paper . . . covered with long sums. --Dickens. [1913 Webster]

{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. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

  • sum — [sum; ] for n. 6 [ so͞om] n. [ME somme < MFr < L summa, fem. of summus, highest, superl. < base of super: see SUPER ] 1. an amount of money [a sum paid in reparation] 2. the whole amount; totality; aggregate [the sum of our experience] 3 …   English World dictionary

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  • sum — n Sum, amount, number, aggregate, total, whole, quantity denote a result obtained by putting or taking together all in a given group or mass. Sum denotes the result of simple addition, usually of figures, sometimes of particulars {four is the sum …   New Dictionary of Synonyms

  • sum — ► NOUN 1) a particular amount of money. 2) the total amount resulting from the addition of two or more numbers or amounts. 3) an arithmetical problem, especially at an elementary level. ► VERB (summed, summing) (sum up) 1) conci …   English terms dictionary

  • Sum — Sum, v. t. [imp. & p. p. {Summed}; p. pr. & vb. n. {Summing}.] [Cf. F. sommer, LL. summare.] 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. [1913 …   The Collaborative International Dictionary of English

  • sum — (n.) late 13c., quantity or amount of money, from Anglo Fr. and O.Fr. summe (13c.), from L. summa total number, whole, essence, gist, noun use of fem. of summus highest, from PIE *sup mos , from root *uper over (see SUPER (Cf. super )). The sense …   Etymology dictionary

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