Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A white substance extracted from Iceland moss, one of whose ingredients is cetraric acid.

from the GNU version of the Collaborative International Dictionary of English

  • n. 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.

from The Century Dictionary and Cyclopedia

  • n. A vegetable substance extracted by alcohol from several lichens, as Cetraria Islandica (Iceland moss) and Sticta pulmonacea. It forms a fine white powder, very bitter to the taste.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Cetraria +‎ -in

Examples

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