1 : the act of making something smaller in size, amount, number, etc. : the act of reducing something [count] ▪ a drastic/marked/sharp/significant reduction in size ▪ troop reductions = reductions in the number of troops ▪ cost/price/rate reductions [noncount] ▪ Many voters want to see some reduction of the deficit. 2 [count] : an amount by which something is reduced
▪ There is a 20 percent reduction on selected items during this sale.
▪ There is a 20 percent reduction on selected items during this sale.







