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a concave surface above. This structure is characteristic of certain igneous rocks, as basalt, and is due to contraction in cooling.

hich divide the sandstone contrast finely with the divisional planes which separate the basalt into pillars. Lyell.

To preserve and season with salt in grains; to sprinkle with salt; to cure by salting; now, specifically, to salt slightly in brine or otherwise; as, to corn beef; to corn a tongue.

Salted codfish hardened by pressure. Kane.

To make a series of small, sharp, rapidly repeated explosions or sounds, as salt in fire; to crackle; to snap.

A box or bin, or similar wooden structure, for storing grain, salt, etc.; as, a crib for corn or oats.

A salt formed by the union of croconic acid with a base.

ep yellow color; esp., the oxide of iron (Crocus of Mars or colcothar) thus produced from salts of irron, and used as a polishing powder. Crocus of Venus (Old Chem.), oxide of copper.

fined, or prepared for use by any artificial process; raw; as, crude flesh. "Common crude salt." Boyle. Molding to its will each successive deposit of the crude materials. I. Taylor.

Covered with a crust; as, crustated basalt.

A substance, as salt, ammonium chloride, etc., which crystallizes with water of crystallization only at low temperatures, or below the freezing point of water. F. Guthrie.

he curare poison and from the Strychnos toxifera. It is obtained in crystalline colorless salts.

To prepare for preservation or permanent keeping; to preserve, as by drying, salting, etc.; as, to cure beef or fish; to cure hay.

One who prepares beef, fish, etc., for preservation by drying, salting, smoking, etc.

A complex derivative of cyanogen, regarded as an acid, and known chiefly in its salts; -- called also hydromellonic acid.

A salt of cyanic acid. Ammonium cyanate (Chem.), a remarkable white crystalline substance, NH4.O.CN, which passes, on standing, to the organic compound, urea, CO.(NH)2.

blue color. Cyanic acid (Chem.), an acid, HOCN, derived from cyanogen, well known in its salts, but never isolated in the free state. -- Cyanic colors (Bot.), those colors (of flowers) having some tinge of blue; -- opposed to xanthic colors. A color of either series may pass into red or white, but not into the opposi…

A salt of cyanuric acid.

A genus of minute Entomostraca, found both in fresh and salt water. See Copepoda.

To roast or calcine so as to cause a crackling noise; as, to decrepitate salt.