SUM definition: the aggregate of two or more numbers, magnitudes, quantities, or particulars as determined by or as if by the mathematical process of addition. See examples of sum used in a …

sum noun (CALCULATION) [ C ] a calculation, especially a simple one, using such processes as adding, taking away, multiplying, or dividing:

The meaning of SUM is an indefinite or specified amount of money. How to use sum in a sentence.

In mathematics, the sum of two numbers is the number that is obtained when they are added together.

Aug 6, 2025 · In mathematics, the term "sum" refers to the result obtained by adding two or more numbers or quantities together. It's a fundamental arithmetic operation used to find the total of …

To give a summary of; summarize. 1. To present the substance of (material) in a condensed form; summarize: sum up the day's news; concluded the lecture by summing up. 2. To describe or assess …

The sum can be defined as the result of the addition of two or more numbers. Learn the definition, how to find the sum on the number line, solved examples, and more.