Search the Dictionary

s of extinct Paleozoic brachiopods, often very abundant in the Upper Silurian. Pentamerus limestone (Geol.), a Silurian limestone composed largely of the shells of Pentamerus.

A titanate of lime occurring in octahedral or cubic crystals. [Written also Perovskite.]

A liquid resembling camphene, obtained by treating turpentine hydrochloride with lime. [Written also peucyl.]

A hydrous arsenate of lime, usually occurring in silky fibers of a white or grayish color.

The part of the alimentary canal between the cavity of the mouth and the esophagus. It has one or two external openings through the nose in the higher vertebrates, and lateral branchial openings in fishes and some amphibias.

A hydrous silicate of aluminia, lime, and soda, a zeolitic mineral commonly occurring in complex twin crystals, often cruciform in shape; -- called also christianite.

f aluminia, with magnesia, potash, and some fluorine. It is characteristic of crystalline limestone or dolomite and serpentine. See Mica.

cturesque language. What is picturesque as placed in relation to the beautiful and the sublime It is . . . the characteristic pushed into a sensible excess. De Quincey. -- Pic`tur*esque"ly, adv. -- Pic`tur*esque"ness, n.

r quarried; as, a stone pit; a gravel pit; or in which material is made by burning; as, a lime pit; a charcoal pit.

A composition of lime, water, and sand, with or without hair as a bond, for coating walls, ceilings, and partitions of houses. See Mortar.

cover or overlay with plates of metal; to arm with metal for defense. Thus plated in habiliments of war. Shak.

Waste matter from the preparation of skins, consisting of hair, lime, oil, etc.

of a brick-red color, being tinged with iron, and consisting chiefly of the sulphates of lime, magnesia, and soda.

The Ottoman court; the government of the Turkish empire, officially called the Sublime Porte, from the gate (port) of the sultan's palace at which justice was administered.

of the Portland stone of England, made by calcining an artificial mixture of carbonate of lime and clay, or sometimes certain natural limestones or chalky clays. It contains a large proportion of clay, and hardens under water.

llary structure, and rarely in distinct crystals. It is a hydrous silicate of alumina and lime.

A hydrous borate of lime, from Oregon.

ng with charcoal, and converting the sodium sulphide to sodium carbonate by roasting with lime. -- Mesne process. See under Mesne. -- Process milling, the process of high milling for grinding flour. See under Milling. -- Reversible process (Thermodynamics), any process consisting of a cycle of operations such that t…

The strata of the Purbeck stone, or Purbeck limestone, belonging to the Oölitic group. See the Chart of Geology.

A limestone from the Isle of Purbeck in England.