reduction

noun
B2
OPAL
1
B2
an act of making something less or smaller; the state of being made less or smaller
کاهش, تقلیل, تنزل
2
B2
an amount of money by which something is made cheaper
کاهش قیمت, تخفیف, کم شدن قیمت, تنزل قیمت
price reductions
There are reductions for children sharing a room with two adults.
a sale with massive reductions on selected items
3
a copy of a photograph, map, picture, etc. that is made smaller than the original one
نسخه کوچک, عکس کوچک, تصویر کوچک
opposite enlargement
4
the fact of adding one or more electrons to a substance or of removing oxygen from a substance
احیا, اکسیژن‌زدایی, کاهش شیمیایی
compare oxidation
5
a sauce made by boiling a liquid until it becomes thick
سس غلیظ شده, سس غلیظ, سس جوشیده
a red wine reduction
a reduction of chicken stock, wine and cream