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A fine-grained sedimentary rock of a thin, laminated, and often friable, structure. Bituminous shale. See under Bituminous.

Resembling shale in structure.

A slight or temporary structure built to shade or shelter something; a structure usually open in front; an outbuilding; a hut; as, a wagon shed; a wood shed. The first Aletes born in lowly shed. Fairfax. Sheds of reeds which summer's heat repel. Sandys.

Any slight hollow structure; a framework, or exterior structure, regarded as not complete or filled in; as, the shell of a house.

A variety of calcite, so called from its slaty structure; -- called also slate spar.

A prop, as a timber, placed as a brace or support against the side of a building or other structure; a prop placed beneath anything, as a beam, to prevent it from sinking or sagging. [Written also shoar.]

n of their side chains, but only when these side chains have a definite correspondence in structure (this account for the specific action of antitoxins).

, a horizontal piece, as a timber, which forms the lower member of a frame, or supports a structure; as, the sills of a house, of a bridge, of a loom, and the like. Hence:

Any rock or stone having a slaty structure.

timber, stone, or iron, on or near the level of the ground, for the support of some superstructure, to steady framework, to keep in place the rails of a railway, etc.; a stringpiece.

riety of circumstances; as, a slight (i. e., feeble) effort; a slight (i. e., perishable) structure; a slight (i. e., not deep) impression; a slight (i. e., not convincing) argument; a slight (i. e., not thorough) examination; slight (i. e., not severe) pain, and the like. "At one slight bound." Milton. Slight is the s…

e, salt, NaCl. -- Sodium hydroxide, a white opaque brittle solid, NaOH, having a fibrous structure, produced by the action of quicklime, or of calcium hydrate (milk of lime), on sodium carbonate. It is a strong alkali, and is used in the manufacture of soap, in making wood pulp for paper, etc. Called also sodium hydra…

A board or structure placed behind or over a pulpit or rostrum to give distinctness to a speaker's voice.

esembling spar, or consisting of spar; abounding with spar; having a confused crystalline structure; spathose. Sparry iron (Min.), siderite. See Siderite (a). -- Sparry limestone (Min.), a coarsely crystalline marble.

are present in many annelids, brachiopods, mollusks, and crustaceans. In cephalopods the structure of the capsule is very complex.

A minute spherical crystalline body having a radiated structure, observed in some vitreous volcanic rocks, as obsidian and pearlstone.

manganese. When the manganese reaches twenty-five per cent and upwards it has a granular structure, and constitutes the alloy ferro manganese, largely used in the manufacture of Bessemer steel. Called also specular pig iron, spiegel, and spiegeleisen.

A large stake driven into the ground as a support for some superstructure; a pile. Spile hole, a small air hole in a cask; a vent.

A hydrozoan reproductive zooid or gonophore which does not become medusoid in form or structure. See Illust. under Athecata.

ss; firmness; strength to stand without being moved or overthrown; as, the stability of a structure; the stability of a throne or a constitution.