- Enter a word for the dictionary definition.
From The 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]