An additive used in ink, especially flexo, that reduces or eliminates the foaming of a liquid ink. Also used to break down foam already formed.

(foam suppressant) See Defoamer

A substance/chemical sometimes added to powdered or granular food or cosmetic products to reduce foaming. Also used to reduce formation of scum (foam adulterated with other constituents) and through its foam reducing action, reducing the possibility of products boiling over during manufacture.