One of the mysteries of the English language finally explained.
Pulverized gypsum, especially as an ingredient of medicines.
- ‘For softer and real gesso use gypsum or calcium sulfate in the form of terra alba, alabaster gypsum or Italian gesso.’
- ‘Dusting compounds such as asbestos-free talc and terra alba can be added to prevent the tablet cores and granules from adhering to one another and to the pan during the seal coat.’
- ‘Other names for edible terra alba are food-grade gypsum or food-grade calcium sulfate.’
- ‘Natural Pigments offers terra alba imported from Cennino Cennini's hometown in northern Italy and near the same location where he undoubtedly obtained his own gesso.’
- ‘Twelve ounces of terra alba will coagulate enough soymilk to make 90 pounds of tofu and is preferred by many for a delicious source of dietary calcium.’
Latin, literally ‘white earth’.
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