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Terpine – Tetragraptus
Terpine
formula, C10H20O2H2O, a crystalline body, obtained by shaking for some time a mixture of eight parts oil of turpentine, two parts dilute nitric acid and one part alcohol. It forms large, brilliant, colorless, short, r h ombic rhombic prisms, soluble in boiling water, alcohol, and ether, melts at 103°, and sublimes at a higher temperature in long needles.
Terpinol
formula, C20H34O; a liquid of hyacinth-like odor, produced by heating an aqueous solution of terpine with hydrochloric and sulphuric acids. It boils at 168°, and has a sp. gr. .852.
Terpodion
in music, a keyed instrument invented by John David Buschmann, of Hamburg, about 1816, resembling a pianoforte in appearance, but producing notes from blocks of wood struck with hammers. The sound could be increased or diminished at pleasure.
Terpsichore
in classical antiquities, one of the muses, daughter of Jupiter and Mnemosyne. She presided over dancing, of which she was reckoned the inventress, and in which, as her name intimates, she took delight. To her was sometimes ascribed the invention of the
Terra Di Sienna
a ferruginous, ocherous earth, used as pigment in both oil and water-color painting in its and water-color painting in raw state and when burnt. In the latter instance it becomes of a deep orange tint, and dries more rapidly. It is transparent and durable; mixed with various blues, it yields many useful tints of green.
Terror
REIGN OF, the term usually applied to the period of the French revolutionary government from the appointment of the revolutionary tribunal and the committee of public safety (April 6, 1793) to the fall of Robespierre (July 27, 1794).
Terschelling
an island of the Netherlands; 10 miles off the coast of Friesland, between the islands of Vlieland and Ameland. It is about 15 miles lon long by 3 broad, is flat and sandy, and exposed in some parts to inundation. The inhabitants are chiefly pilots and fishermen.
Tersteegen
GERHARD, a German poet; born in Mörs, Germany, Nov. 25, 1697. Among his works are: "The Spiritual Garden" (1729); "Crumbs" Among his religious songs and hymns the more notable are: "Shout, ye Heavens, for Joy," and "Now the Day is Ended." He died in Mühlheim, on the Ruhr, April 3, 1769.
Testudo
in Roman antiquity, a
Tetuan
a seaport town of Morocco, the Straits of Gibraltar, 22 miles from Africa, in the province of El Garb; on the Mediterranean, immediately within
Tetracera
in botany, a genus of Delimeæ, owing its scientific name to the
Tetragraptus
in palæontology, a fact that its four capsules are recurved genus of Graptolitidæ from the Skiddaw like horns. Shrubs or small trees, often and Quebec groups (Lower Silurian). climbing, with alternate, stalked, feath- The polypary consists of four simple er-nerved. naked leaves, often rough mono-prionidian branches, springing from central non-celluliferous connecting D a end TEUTSCH 322 a