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at, as carbonic acid from limestone, and thus (usually) to produce disintegration; as to, calcine bones.

One who, or that which, calcines.

Half calcined; as, semicalcined iron.

ot.), a plant of the genus Cardamine, esp. C. amara. -- Bitter earth (Min.), tale earth; calcined magnesia. -- Bitter principles (Chem.), a class of substances, extracted from vegetable products, having strong bitter taste but with no sharply defined chemical characteristics. -- Bitter salt, Epsom salts;; magnesium…

es composed of radiating fibers, first discovered near Bologna. It is phosphorescent when calcined. -- Bologna vial, a vial of unannealed glass which will fly into pieces when its surface is scratched by a hard body, as by dropping into it a fragment of flint; whereas a bullet may be dropped into it without injury.…

one's self about; a dispute to be settled (with some one). -- Bone ash, the residue from calcined bones; -- used for making cupels, and for cleaning jewelry. -- Bone black (Chem.), the black, carbonaceous substance into which bones are converted by calcination in close vessels; -- called also animal charcoal. It is u…

the sun's rays to a focus. -- Burning house (Metal.), the furnace in which tin ores are calcined, to sublime the sulphur and arsenic from the pyrites. Weale. -- Burning mirror, a concave mirror, or a combination of plane mirrors, used for the same purpose as a burning glass.

That may be calcined; as, a calcinable fossil.

To calcine. [R.]

A kind of calcined limestone, or a calcined mixture of clay and lime, for making mortar which will harden under water.

A deep yellow powder; the oxide of some metal calcined to a red or deep 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.

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

The material of which glass is made, after having been calcined or partly fused in a furnace, but before vitrification. It is a composition of silex and alkali, occasionally with other ingredients. Ure.

To be converted into gelatin, or into a substance like jelly. Lapis lazuli, if calcined, does not effervesce, but gelatinates with the mineral acids. Kirwan.

A mineral consisting of the hydrous sulphate of lime (calcium). When calcined, it forms plaster of Paris. Selenite is a transparent, crystalline variety; alabaster, a fine, white, massive variety.

The calcined ashes of seaweed, -- formerly much used in the manufacture of glass, now used in the manufacture of iodine.

Calcined gypsum, or plaster of Paris, especially when ground, as used for making ornaments, figures, moldings, etc.; or calcined gypsum used as a fertilizer. Plaster cast, a copy of an object obtained by pouring plaster of Paris mixed with water into a mold. -- Plaster of Paris. Etym: [So called because originally bro…

A kind of color prepared from calcined lapis lazuli; ultramarine; also, a blue prepared from carbonate of copper. [Written also sanders-blue.]

ing material used in various arts. It is a vitreous substance made of cobalt, potash, and calcined quartz fused, and reduced to a powder.

The calcined ashes of any coarse seaweed used for the manufacture of soda and iodine; also, the seaweed itself; fucus; wrack.