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Definition of Polysorbate
1. Noun. (chemistry) any of a class of emulsifiers used as food additives and in pharmaceutical preparations; they are derived from sorbitan (typically with three polyoxyethylene side-chains) esterified with a fatty acid; they are mostly oily liquids, or soft solids ¹
¹ Source: wiktionary.com
Definition of Polysorbate
1. [n -S]