sum Meaning in Cambridge American English Dictionary
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Meaning of "sum" - American English Dictionary

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sumnoun

 us   /sʌm/

sum noun (AMOUNT OF MONEY)

[C] a particular amount of money: The sum involved in the sale was not reported.

sum noun (TOTAL)

mathematics [U] a total found by the addition of two or more numbers: The sum of seven and twelve is nineteen.in sum In sum is said before giving a final, brief statement describing something: In sum, the American public did not perceive global warming as urgent.
(Definition of sum from the Cambridge Academic Content Dictionary © Cambridge University Press)
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