SULPHUR n.
rless gas, SO2, of a pungent, suffocating odor, produced by the burning of sulphur. It is employed chiefly in the production of sulphuric acid, and as a reagent in bleaching; -- called also sulphurous anhydride, and formerly sulphurous acid. -- Sulphur ether (Chem.), a sulphide of hydrocarbon radicals, formed like the…
TAPESTRY n.
n or other thread by hand, the designs being usually more or less pictorial and the stuff employed for wall hangings and the like. The term is also applied to different kinds of embroidery. Tapestry carpet, a kind of carpet, somewhat resembling Brussels, in which the warp is printed before weaving, so as to produce the…
TAR n.
od, coal, etc., and having a varied composition according to the temperature and material employed in obtaining it. Coal tar. See in the Vocabulary. -- Mineral tar (Min.), a kind of soft native bitumen. -- Tar board, a strong quality of millboard made from junk and old tarred rope. Knight. -- Tar water. (a) A cold i…
TARSIA; TARSIATURA n.
A kind of mosaic in woodwork, much employed in Italy in the fifteenth century and later, in which scrolls and arabesques, and sometimes architectural scenes, landscapes, fruits, flowers, and the like, were produced by inlaying pieces of wood of different colors and shades into panels usually of walnut wood.…
TELLTALE n.
contrivance for indicating or recording something, particularly for keeping a check upon employees, as factory hands, watchmen, drivers, check takers, and the like, by revealing to their employers what they have done or omitted.