sign of aggregation

noun Mathematics.

any of the signs used to indicate grouping in an algebraic expression: vinculum, bar, or raised horizontal line, ; a pair of parentheses, (a + b); a pair of brackets, [a + b]; or a pair of braces, {a + b}.

Origin of sign of aggregation

First recorded in 1940–45 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019