xylindein

1 definition found

xylindein - Collaborative International Dictionary of English v.0.48 :

  Xylindein \Xy*lin"de*in\, n. (Chem.)
     A green or blue pigment produced by Peziza in certain kinds
     of decayed wood, as the beech, oak, birch, etc., and
     extracted as an amorphous powder resembling indigo.
     [1913 Webster]