| Noun | 1. | detergent builder - a substance added to soaps or detergents to increase their cleansing action material, stuff - the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread" sodium pyrophosphate, tetrasodium pyrophosphate - a sodium salt of pyrophosphoric acid used as a builder in soaps and detergents sodium tripolyphosphate - a sodium salt of triphosphoric acid used as a builder in soaps and detergents tribasic sodium phosphate, trisodium orthophosphate, trisodium phosphate - the tertiary phosphate of sodium used as a builder in soaps and detergents |