Single-source entries: X (2)

These 2 listings are so strange that each appears in only one of the 7 encyclopedias we compared. They include such classics as Xylene, Xylomancy.

Xylene

or XYLOL (C8H10), one of the aromatic hydrocarbons, being a homologue of benzene (C6H6 ), and sometimes known as dimethyl -benzene from the supposition that it is formed from benzene by the substitution of two molecules of methyl (CH₃) for two hydrogen atoms. It is a colorless liquid, boiling at 140° C. When passed through a red-hot tube xylene is resolved into a mixture of several homologous hydrocarbons.

Only in Collier's New Encyclopedia

Xylomancy

Divination by means of wood, practised particularly in Slavonia. It is the art of reading omens from the position of small pieces of dry wood found in one's path. No less certain presages of future events may be

Only in An Encyclopaedia of Occultism