the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks"
an arithmetic operation in which the difference between two numbers is calculated; "the subtraction of three from four leaves one"; "four minus three equals one"
the formal act of acquiring something (especially territory) by conquest or occupation; "the French annexation of Madagascar as a colony in 1896"; "a protectorate has frequently been a first step to annexation"