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A salt of telluric acid.

ded by Dr. Keiser, in Germany, in which the phenomena are ascribed to the agency of a telluric spirit or influence. [R.] S. Thompson.

signating those compounds in which the element has a lower valence as contrasted with telluric compounds; as, tellurous acid, which is analogous to sulphurous acid.

te; also, the reagent employed to produce such reaction; thus, the ordinary test for sulphuric acid is the production of a white insoluble precipitate of barium sulphate by means of some soluble barium salt. Test act (Eng. Law), an act of the English Parliament prescribing a form of oath and declaration against transub…

el-gray color and metallic luster, and usually occurs in foliated masses. Calles also telluric bismuth.

rals, as certain pyrites, and also in the lead-chamber deposit in the manufacture of sulphuric acid. It is isolated as a heavy, soft, bluish white metal, easily oxidized in moist air, but preserved by keeping under water. Symbol Tl. Atomic weight 203.7.

e of wood) obtained by first wetting the object slightly with hydrochloric or dilute sulphuric acid, then taking an impression with a press, and next strongly heating this impression.

A salt of thiosulphuric acid; -- formerly called hyposulphite.

nt held over the back by means of the caudal spines. The golden tortoise beetle (Cassida aurichalcea) is found on the morning-glory vine and allied plants. -- Tortoise plant. (Bot.) See Elephant's foot, under Elephant. -- Tortoise shell, the substance of the shell or horny plates of several species of sea turtles, es…

on. [Obs.] Johnson. Gay Lussac's tower (Chem.), a large tower or chamber used in the sulphuric acid process, to absorb (by means of concentrated acid) the spent nitrous fumes that they may be returned to the Glover's tower to be reemployed. See Sulphuric acid, under Sulphuric, and Glover's tower, below. -- Glover's to…

To subject to some action; to apply something to; as, to treat a substance with sulphuric acid. Ure.

See under Cyanuric.

the valve, consisting of three triangular membranous flaps, at the opening of the right auricle into the right ventricle in the heart of most mammals; -- sometimes called the tricuspid valves, each flap being regarded as a valve.

lframic; as, tungstic oxide. Tungstic acid, an acid of tungsten, H2WO4, analogous to sulphuric and chromic acids.

A heavy yellow powder, Hg3O2SO4, which consists of a basic mercuric sulphate; -- called also turpeth mineral.

Of or pertaining to the heavens; celestial; astronomical. On I know not what telluric or uranic principles. Carlyle.

A salt of uric acid; as, sodium urate; ammonium urate.

, C5H8N4O6, which is obtained, as a white crystalline substance, by the slow oxidation of uric acid in alkaline solution.

in a vein, as in the neck, when there is an obstruction to the passage of blood from the auricles to the ventricles, or when there is an abnormal rigidity in the walls of the greater vessels. There is normally no pulse in a vein.

r, or one of the two posterior chambers, of the heart, which receives the blood from the auricle and forces it out from the heart. See Heart.