Meaning of “ingredient” - Learner’s Dictionary

ingredient

noun [ C ] uk us /ɪnˈɡriːdiənt/
FOOD

B1 one of the different foods that a particular type of food is made from

QUALITY

B2 one of the parts of something successful:

Trust is an essential ingredient in a successful marriage.

(Definition of “ingredient” from the Cambridge Learner’s Dictionary © Cambridge University Press)