Furfuran \Fur"fu*ran\, n. [L. furfur bran.] (Chem.) A colorless, oily substance, {C4H4O}, obtained by distilling certain organic substances, as pine wood, salts of pyromucic acid, etc.; -- called also {tetraphenol}. [1913 Webster]
Tetraphenol \Tet`ra*phe"nol\, n. [Tetra- + phenol.] (Chem.) Furfuran. [Obs.] [1913 Webster]