'Cetraria Islandica' definitions:
Definition of 'Cetraria islandica'
(from WordNet)
noun
Lichen with branched flattened partly erect thallus that grows in mountainous and Arctic regions; used as a medicine or food for humans and livestock; a source of glycerol [syn: Iceland moss, Iceland lichen, Cetraria islandica]
Definition of 'Cetraria Islandica'
From: GCIDE
- Cetrarin \Cet"ra*rin\, n. [From Cetraria Islandica, the scientific name of Iceland moss.] (Chem.) 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. [1913 Webster]