reductionre·duc·tion /rɪˈdʌkʃən/ nounFINANCE1[countableC, uncountableU] when prices, costs etc become lower or are made lowerOur winter sale includes many price reductions.
We can make a reduction (=sell something more cheaply) if you buy in bulk.
reduction ina 1% reduction in interest rates
the reduction in VAT from 22% to 18.6%
2[countableC] the amount by which something is reduced in pricea reduction of 40%
They are selling their computers at a huge reduction.