sum ( sums plural & 3rd person present) ( summing present participle) ( summed past tense & past participle )
1 n-count A sumof money is an amount of money.
oft N of n
Large sums of money were lost..., Even the relatively modest sum of £50,000 now seems beyond his reach.
2 n-count A sum is a simple calculation in arithmetic.
I can't do my sums.
3 n-sing In mathematics, the sum of two numbers is the number that is obtained when they are added together.
the N of n
The sum of all the angles of a triangle is 180 degrees.
4 n-sing The sum of something is all of it.
the N of n
`Public opinion' is only the sum of the views of thousands of people like yourself...
6 If you say that something is more than the sum of its parts or greater than the sum of its parts, you mean that it is better than you would expect from the individual parts, because the way they combine adds a different quality.
more/greater than the sum of its parts phrase v-link PHR
As individual members' solo careers have proved, each band was greater than the sum of its parts. sum up
1 phrasal verb If you sum something up, you describe it as briefly as possible.
One voter in Brasilia summed up the mood<endash>`Politicians have lost credibility,' he complained... V P n (not pron)
Obree summed his weekend up in one word: `Disastrous.' V n P
2 phrasal verb If something sums a person or situation up, it represents their most typical characteristics.
`I love my wife, my horse and my dog,' he said, and that summed him up... V n P
Sadly, the feud sums up the relationship between Lord Bath and the man who succeeds him. V P n (not pron)
3 phrasal verb If you sum up after a speech or at the end of a piece of writing, you briefly state the main points again. When a judge sums up after a trial, he reminds the jury of the evidence and the main arguments of the case they have heard.
When the judge summed up, it was clear he wanted a guilty verdict... V P
Translation English - Cobuild Collins Dictionary
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"Collins Cobuild English Dictionary for Advanced Learners 4th edition published in 2003 © HarperCollins Publishers 1987, 1995, 2001, 2003 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"