( n. )
A straight, horizontal mark placed over two or more members of a compound quantity, which are to be subjected to the same operation, as in the expression x2 + y2 - x + y.
( n. )
A straight, horizontal mark placed over two or more members of a compound quantity, which are to be subjected to the same operation, as in the expression x2 + y2 - x + y.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012