Multiplication (alchemy)
WordNet
noun
(1) The act of producing offspring or multiplying by such production
(2) An arithmetic operation that is the inverse of division; the product of two numbers is computed
"The multiplication of four by three gives twelve"
"Four times three equals twelve"
(3) A multiplicative increase
"Repeated copying leads to a multiplication of errors"
"This multiplication of cells is a natural correlate of growth"