breakthrough

noun
C1+
1
an important development that may lead to an agreement or achievement
پیشرفت بزرگ, تحول, کشف مهم, دستاورد چشمگیر, موفقیت بزرگ, دستاورد مهم
adjective
1
in which a performer or type of product is successful for the first time, when it is likely to be even more successful in the future
تحول‌آفرین