sylvanu

n. [ L. Sylvanus, better Silvanus. See Silvan, a. ] A fabled deity of the wood; a satyr; a faun; sometimes, a rustic. [ 1913 Webster ]

Her private orchards, walled on every side,
To lawless sylvans all access denied. Pope. [ 1913 Webster ]

n. [ Sylva + furfuran. ] (Chem.) A liquid hydrocarbon obtained together with furfuran (tetrol) by the distillation of pine wood; -- called also methyl tetrol, or methyl furfuran. [ 1913 Webster ]

n. [ Fr. Transylvania, where first found. ] (Min.) A telluride of gold and silver, (Au, Ag)Te2, of a steel gray, silver white, or brass yellow. It often occurs in implanted crystals resembling written characters, and hence is called graphic tellurium. H., 1.5-2. Sp.gr., 7.9-8.3. [ Webster 1913 Suppl. ]