ingredient

noun
B1
1
B1
one of the things from which something is made, especially one of the foods that are used together to make a particular dish
جزء, ماده اولیه, مواد اولیه
2
B1
one of the things or qualities that are necessary to make something successful
جزء, عنصر
It has all the ingredients of a good mystery story.
An effective exercise programme has three key ingredients—intensity, frequency and duration.
Determination is one of the essential ingredients for success.