The Collaborative International Dictionary
Grossulin
Grossulin \Gros"su*lin\, n. [See Grossular.] (Chem.) A vegetable jelly, resembling pectin, found in gooseberries ( Ribes Grossularia) and other fruits.
Wiktionary
grossulin
n. A vegetable jelly, resembling pectin, found in gooseberry and other fruits.