decrease

verb
B2
OPAL
1
to become smaller in size, number, etc.; to make something smaller in size, number, etc.
کاهش یافتن, کاهش دادن, کم شدن, کم کردن, کاستن
opposite increase
noun
B2
OPAL
1
the process of reducing something; the amount that something is reduced by
کاهش, تقلیل
opposite increase