One of the individual entities contributing to a whole
In Europe the seeds are used as an ingredient in soups.
The soils of Florida have sand as a common ingredient.'
Now nearly all rivers contain some small percentage of salt, which forms a distinct ingredient in alluvial plains.
Linseed oil is also the principal ingredient in printing and lithographic inks.
The ability to instantly and, for a very low cost, reliably transfer money to anyone on the planet is a key ingredient in increasing the amount of trade that occurs online.