Date: | 1200-1300 |

Language: | Old French |

Origin: | summe, from Latin summa, from summus 'highest' |

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sum1 S3 W2 [countable]

2## the sum of something

HM the total produced when you add two or more numbers or amounts together :

You will have to pay the sum of the two sets of costs.

3## greater/more/better etc than the sum of its parts

having a quality or effectiveness as a group that you would not expect from the quality of each member :

The team is greater than the sum of its parts.

4## calculation

HM a simple calculation by adding, multiplying, dividing etc, especially one done by children at school

5## do your sums

informal British English to calculate whether you have enough money to do something :

Do your sums first before you decide how much to spend.

6## in sum

formal used before a statement that gives the main information about something in a few simple words :

In sum, soul music is important to the record industry.

Definition of sum from the Longman Dictionary of Contemporary English within

the topic NUMBERS

the topic NUMBERS

add
addition
bi-
billion
calculate
constant
D
demi-
division
eight
eleven
equal(a)
equal(v)
even
factor(n)
factor(v)
fifth
fig.
figure
five
four
fourth
gross
hundred
L
M
million
multiple
-nd
negative
nine
No.
nos.
number
O
one
pi
plot
point
positive
product
-rd
root
round
score
second
set
six
square(n)
square(v)
-st
sum
take
ten
thousand
three
tri-
twenty
twice
unit
V
X
zero

Show all entries from Topic: NUMBERS

Show all entries from Topic: NUMBERS