sum: Meaning and Definition of

sum

1. the aggregate of two or more numbers, magnitudes, quantities, or particulars as determined by or as if by the mathematical process of addition: The sum of 6 and 8 is 14.
2. a particular aggregate or total, esp. with reference to money: The expenses came to an enormous sum.
3. an indefinite amount or quantity, esp. of money: to lend small sums.
4. a series of numbers or quantities to be added up.
5. an arithmetical problem to be solved, or such a problem worked out and having the various steps shown.
6. the full amount, or the whole.
7. the substance or gist of a matter, comprehensively or broadly viewed or expressed: the sum of his opinions.
8. concise or brief form: in sum.
1. the limit of the sequence of partial sums of a given infinite series.
2. union (def. 10a).
10. a summary.

1. to combine into an aggregate or total (often fol. by up).
2. to ascertain the sum of, as by addition.
3. to bring into or contain in a small compass (often fol. by up).

1. to amount (usually fol. by to or into): Their expenses summed into the thousands.
2. We summed up our assets and liabilities.
1. to reckon:We summed up our assets and liabilities.
2. to bring into or contain in a brief and comprehensive statement; summarize:to sum up the case for the prosecution.
3. to form a quick estimate of:I summed him up in a minute.

sum-

1. var. ofbefore m: summon.

SUM

1. surface-to-underwater missile.