Function: noun
Date: 1668
: the sign √ placed before an expression to denote that the square root is to be extracted or that the root marked by an index (as in or ∛ for the cube root) is to be extracted
Function: noun
Date: 1668
: the sign √ placed before an expression to denote that the square root is to be extracted or that the root marked by an index (as in or ∛ for the cube root) is to be extracted
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012