Home › Words › C › carrageenancarrageenan/ˌkɛɹəˈɡinən/carrageenan means A food additive made from a purified extract of red seaweed, commonly used as a thickening agent.carrageenan is pronounced /ˌkɛɹəˈɡinən/.EtymologyFrom carrageen + -an, an alternative form of -in.nounA food additive made from a purified extract of red seaweed, commonly used as a thickening agent.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.carrageen 69% match — Irish moss (Chondrus crispus) vs carrageenan →carrageenophyte 60% match — Any red alga of the genus Kappaphycus vs carrageenan →carrageenase 59% match — Any enzyme that hydrolyses a carrageenan. vs carrageenan →agar 59% match — A gelatinous substance obtained from red algae, especially Gracilaria species, used as a bacterial culture medium, in electrophoresis and as a food additive. vs carrageenan →sargassan 57% match — A sulfated heteropolysaccharide obtained from a seaweed of the genus Sargassum. vs carrageenan →algin 54% match — Any of various gelatinous gums, derivatives of alginic acid, derived from marine brown algae and used especially as emulsifiers or thickeners. vs carrageenan →porphyran 53% match — A sulfated carbohydrate derived from red algae of the genus Porphyra. vs carrageenan →phytagel 52% match — gellan gum vs carrageenan →