Lecanoric \Lec`a*no"ric\, a. (Chem.)
Pertaining to, or designating, an organic acid which is
obtained from several varieties of lichen ({Lecanora},
{Roccella}, etc.), as a white, crystalline substance, and is
called also {orsellic acid}, {diorsellinic acid},
{lecanorin}, etc.
[1913 Webster]