from the GNU version of the Collaborative International Dictionary of English
- adj. Pertaining to, derived from, or designating, an acid obtained from a lichen (Cetraria vulpina) as a yellow or red crystalline substance which on decomposition yields pulvinic acid.
from The Century Dictionary and Cyclopedia
- Noting an acid, a yellow compound, CH3O.COC (C6H5): C.C(OH): C(C6H5)CO.O, contained in Letharia vulpina and in various other lichens. It crystallizes in thin, mono-clinic plates, or in thick, transparent prisms, and melts at 148° C. Also called methyl pulvate.
Sorry, no etymologies found.