Cetrarin
Pronunciation : Cet"ra*rin
Part of Speech : n.
Etymology : [From Cetraria Islandica, the scientific name of Iceland moss.] (Chem.)
Definition : Defn: A white substance extracted from the lichen, Iceland moss (Cetraria Islandica). It consists of several ingredients, among which is cetraric acid, a white, crystalline, bitter substance.
Source : Webster's Unabridged Dictionary, 1913