Pronunciation: (ä'gär, ag'ur),[key] —n. 1. Also,a'gar-a'gar.Also called Chinese gelatin, Chinese isinglass, Japanese gelatin, Japanese isinglass. a gelatinlike product of certain seaweeds, used for solidifying certain culture media, as a thickening agent for ice cream and other foods, as a substitute for gelatin, in adhesives, as an emulsifier, etc.
2. Biol.a culture medium having an agar base.