An element in a mixture or compound. See Synonyms at element. (noun)
Examples of word ingredient
Vorbeck Materials Corp., of Jessup, Md., makes a conductive ink for printed electronics whose main ingredient is graphene.
SAN FRANCISCO — A California proposal to outlaw the title ingredient in shark fin soup, a traditional Chinese delicacy, has turned into a recipe for controversy in San Francisco, a city that is nearly one-third Asian and home to the nation's oldest Chinatown.
When you make lip balm or home made lipsticks, a main ingredient is wax (typically beeswax).
The main ingredient is chamomile, which is a relaxant/sleep aid.
I do know the main ingredient is commonly used in vet medications.