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What does sum mean?

sum

   [suhm] ,noun, verb, summed, sum·ming.
noun
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, especially with reference to money: The expenses came to an enormous sum.
3.
an indefinite amount or quantity, especially 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.
EXPAND
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.
9.
Mathematics.
a.
the limit of the sequence of partial sums of a given infinite series.
b.
union (def. 10a).
10.
a summary.
COLLAPSE
verb (used with object)
11.
to combine into an aggregate or total (often followed by up).
12.
to ascertain the sum of, as by addition.
13.
to bring into or contain in a small compass (often followed by up).

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Sum is always a great word to know.
So is rule of three. Does it mean:
the method of finding the fourth term in a proportion when three terms are given
the third power of a quantity such as a cubed = a?a?a
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
verb (used without object)
14.
to amount (usually followed by to or into): Their expenses summed into the thousands.
Verb phrase
15.
sum up,
a.
to reckon: We summed up our assets and liabilities.
b.
to bring into or contain in a brief and comprehensive statement; summarize: to sum up the case for the prosecution.
c.
to form a quick estimate of: I summed him up in a minute.
Origin:
1250–1300; (noun) Middle English summe < Latin summa sum, noun use of feminine of summus highest, superlative of superus (see superior); (v.) Middle English summen (< Old French summer) < Medieval Latin summāre, derivative of summa

Related forms
sum·less, adjective
sum·less·ness, noun
out·sum, verb (used with object), out·summed, out·sum·ming.

Can be confused: some, sum (see usage note at some).

Synonyms
1. See number.

Example Sentences
  • And the solicitation isn't the sum total of his marketing.
  • That's the thing about high-energy physics: the total is different than the sum of its parts.
  • As a result, the sum total of all the domains gives the piece a zero magnetic moment.
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Dictionary.com Unabridged

sum-

 
variant of sub- before m: summon.

SUM

 
surface-to-underwater missile.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To Sum
Collins
World English Dictionary
sum1 (sʌm)
 
—n
1.  a.  the result of the addition of numbers, quantities, objects, etc
 b.  the cardinality of the union of disjoint sets whose cardinalities are the given numbers
2.  one or more columns or rows of numbers to be added, subtracted, multiplied, or divided
3.  maths the limit of a series of sums of the first n terms of a converging infinite series as n tends to infinity
4.  (plural) another name for number work
5.  a quantity, esp of money: he borrows enormous sums
6.  the essence or gist of a matter (esp in the phrases in sum, in sum and substance)
7.  a less common word for summary
8.  archaic the summit or maximum
9.  (modifier) complete or final (esp in the phrase sum total)
 
—vb , sums, summing, summed
10.  (often foll by up) to add or form a total of (something)
11.  (tr) to calculate the sum of (the terms in a sequence)
 
[C13 summe, from Old French, from Latin summa the top, sum, from summus highest, from superus in a higher position; see super]

sum2 (sʊm)
 
—n , pl sumy
the standard monetary unit of Uzbekistan, divided into 100 tiyin

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

sum
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 base *uper "over" (see super-). The sense development from "highest" to "total
EXPAND
number" is probably via the Roman custom of adding up a stack of figures from the bottom and writing the sum at the top, rather than at the bottom as we do now (cf. the bottom line). Meaning "total number of anything" is recorded from late 14c. Meaning "essence of a writing or speech" also is attested from late 14c. The verb is attested from c.1300; meaning "briefly state the substance of" (now usually with up) is first recorded 1621. Sum-total is attested from c.1395, from M.L. summa totalis.
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
sum   (sŭm)  Pronunciation Key 
The result of adding numbers or quantities. The sum of 6 and 9, for example, is 15, and the sum of 4x and 5x is 9x.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
FOLDOC
Computing Dictionary

sum definition


1. In domain theory, the sum A + B of two domains contains all elements of both domains, modified to indicate which part of the union they come from, plus a new bottom element. There are two constructor functions associated with the sum:
inA : A -> A+B inB : B -> A+B inA(a) = (0,a) inB(b) = (1,b)
and a disassembly operation:
case d of isA(x) -> E1; isB(x) -> E2
This can be generalised to arbitrary numbers of domains.
See also smash sum, disjoint union.
2. A Unix utility to calculate a 16-bit checksum of the data in a file. It also displays the size of the file, either in kilobytes or in 512-byte blocks. The checksum may differ on machines with 16-bit and 32-bit ints.
Unix manual page: sum(1).
(1995-03-16)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Abbreviations & Acronyms
SUM
software users manual
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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