/ ˈglɪsəriːn; -rɪn; NAmE -rən/ ( especially BrE ) ( US usually gly·cerin / -rɪn; NAmE -rən/) noun
[ U ] a thick sweet clear liquid made from fats and oils and used in medicines, beauty products and explosives
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WORD ORIGIN
mid 19th cent.: from French glycerin , from Greek glukeros sweet.