serositas Save DMLBS serositas [serosus+-tas], nature or quality of whey, ‘whey-ness’. in capra ‥ ~as et butirositas remanent Quaest. Salern. B 127; Gilb. I 72v. 1 (v. caseitas); Bart. Angl. XIX 61 (v. butyrositas).