ge·lat·i·nize \jəˈlatənˌīz, ˈjelətə̇ˌnīz\verb (-ed/-ing/-s) Etymology:gelatin + -ize transitive verb 1.: to convert into a gelatinous form or into a jelly < strong heating with water gelatinizes starch > — compare jelly 2.: to coat or treat with gelatin intransitive verb : to become gelatinous or change into a jelly