/ ɪnˈgriːdiənt; NAmE / noun ingredient (of / in / for sth)
1.
one of the things from which sth is made, especially one of the foods that are used together to make a particular dish :
Coconut is a basic ingredient for many curries.
Our skin cream contains only natural ingredients.
2.
one of the things or qualities that are necessary to make sth successful :
the essential ingredients for success
It has all the ingredients of a good mystery story.
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WORD ORIGIN
late Middle English : from Latin ingredient- entering, from the verb ingredi , from in- into + gradi walk.