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单词 sum
释义 sum
I. \ˈsəm\ noun
(-s)
Etymology: Middle English summe, somme, from Old French, from Latin summa, from feminine of summus highest, topmost; akin to Latin super over — more at over
1.
 a. : an indefinite or specified amount of money
  < received occasional sums of money >
  < a sum of fifty dollars >
  < are paid only a nominal sum for their services — F.A.Ogg & P.O.Ray >
  < if all sums for armaments were used to build libraries — Alfred Stefferud >
 b. archaic : a quantity of goods having a set value
  < taxes assessed in sums of tobacco >
2.
 a. : the whole amount : an existent total
  < duty to maintain and preserve the sum of human knowledge — H.J.J.Winter >
 b. : an aggregate of distinct usually specified things : a discrete whole
  < history is not merely a sum of events >
  < possessed of such various talents in the arts … as in their sum to approach genius — Osbert Sitwell >
3. : the ultimate end : the utmost degree : height, summit
 < reached the sum of human bliss >
 < saw the war … as the very crown and sum of human folly — Rose Macaulay >
4.
 a. : a summary of the chief points or thoughts : epitome, summation
  < the sum of this criticism follows — C.W.Hendel >
 b. : the main or essential point : gist
  < the sum of the evidence >
  < attempting to convey the sum of the book in a short phrase or sentence — J.E.Miller >
5. obsolete : numeral; especially : integer
6.
 a.
  (1) : the aggregate of two or more numbers, magnitudes, quantities, or particulars : the result of performing an addition
   < the sum of 5 and 7 is 12 >
  (2) : the limit of the sum of the first n terms of an infinite series as n increases indefinitely
 b. : numbers to be added : a column of figures : a problem in arithmetic — often used with do
  < a child trying to do a difficult sum in mental arithmetic — C.D.Lewis >
 c. sums plural : arithmetic especially as a school subject
  < singing is quite as important in education as sums, spelling, or writing — George Sampson >
 d. : the result of logical addition or alternation
Synonyms:
 amount, aggregate, total, whole, number, quantity: sum may indicate the result of simple addition
  < the sum of two and three >
  and usually applies to simple obvious putting together of things
  < a personality is never a mere sum of traits and cannot be explained by the most complete inventory — H.J.Muller >
  amount may be used of more accumulative or combinative processes
  < the amount of snow that we usually have in the northern United States — Richard Joseph >
  < a considerable amount of business experience — C.W.Mitman >
  < a considerable amount of unhappiness and poverty in his early youth — A.E.Wier >
  aggregate may stress the notion of separate distinct individuals or discrete particulars grouped together
  < these larger aggregates, the enlarged family, ingroup, the tribe, the clan — Abram Kardiner >
  < not a logical unity, but an aggregate of notions of various origins — J.O.Evjen >
  total suggests completeness comprehending inclusiveness and perhaps magnitude of result
  < a large gold total, mostly through small, individual operations — American Guide Series: Washington >
  < a total of one million casualties >
  whole may refer to a unified or integrated totality
  < society as a whole, acting through its laws, its schools, its publications — R.M.Weaver >
  < the history as a whole is deficient on the economic side — Allen Johnson >
  number may suggest an aggregate of countable units, in contrast to amount, which is usually used with uncountables
  < the number of corpuscles in this amount of blood >
  < the number of accounts involved in this amount of trade >
  quantity is broadly used in reference to anything, measurable but usually applies to what is measured in bulk
  < if pleasure be the sole good, the only possible criterion of pleasures is quantity of pleasure — Clive Bell >
  < farm country that produces wheat, corn, vegetables and fruit as well as quantities of poultry and milk — American Guide Series: Maryland >
  < a quantity of silvery-yellow hair — Elinor Wylie >
  < large quantities of silt — W.H.Dowdeswell >

- in sum
II. verb
(summed ; summed ; summing ; sums)
Etymology: Middle English summen, sommen, from Old French summer, sommer, from Medieval Latin summare, from Latin summa sum
transitive verb
1. : to ascertain the sum of : count or calculate the number, amount, or total of : add together : cast up
 < sum a column of figures >
 < the costs … can rarely be set down in a neat row and summed — Harold Koontz & Cyril O'Donnell >
 < this term is obtained by summing the numbers in the bottom left-hand corners of the boxes — Lester Guest >
 < sum the cards on the tabulator — F.J.Gruenberger >
2. : to sum up
 < the body of thought brought to America by the immigrant Puritans … may be summed in a phrase as Carolinian liberalism — V.L.Parrington >
3. obsolete : to bring to consummation or perfection : make complete : reach the goal or full development of
 < there was the venture summed and satisfied — Christopher Marlowe >
intransitive verb
1. : to reach a sum : amount — used with to or into
 < benefactions that sum into the thousands >
2. : to do sums in arithmetic
III. abbreviation
1. [Latin sumat] let him take
2. [Latin sume, sumendus] take; to be taken
3. [Latin sumendum] must be taken
IV. noun
: union 1 herein
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更新时间:2025/2/5 11:09:57