summation
/ˌsʌməˈteɪʃən/Definitions
1. noun
the process or result of adding numbers or amounts together
“The summation of all expenses led to a significant increase in the company’s budget.”
2. noun
a mathematical operation of adding together
“The professor explained the concept of summation in calculus to her students.”
3. noun
a total or sum
“The summation of the votes determined the winner of the election.”