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Capable of being vitrified, or converted into glass by heat and fusion; as, flint and alkalies are vitrifiable.

To convert into, or cause to resemble, glass or a glassy substance, by heat and fusion.

Of or pertaining to a volcano or volcanoes; as, volcanic heat.

act of volcanizing, or the state of being volcanized; the process of undergoing volcanic heat, and being affected by it.

To subject to, or cause to undergo, volcanic heat, and to be affected by its action.

your worship a word or two Shak. It is not said by the apostle that God vouchsafed to the heathens the means of salvation. South.

to caoutchouc, gutta-percha, or the like, greater elasticity, durability, or hardness by heating with sulphur under pressure.

A small, hard tumor which is produced on the back of a horse by the heat or pressure of the saddle in traveling.

Having heat in a moderate degree; not cold as, warm milk. "Whose blood is warm within." Shak. Warm and still is the summer night. Longfellow.

The quality or state of being warm; gentle heat; as, the warmth of the sun; the warmth of the blood; vital warmth. Here kindly warmth their mounting juice ferments. Addison.

A device for regulating the temperature of anything subjected to heat, by surrounding the vessel containing it with another vessel containing water which can be kept at a desired temperature; also, a vessel designed for this purpose.

overing them with a thin coating of amalgam of gold, and then volatilizing the mercury by heat; -- called also wash gilding.

or tube in which water may be circulated, thereby regulating the temperature or supply of heat to the vessel. Used in laboratory and manufacturing equipment. water- jacketed. Having a water jacket; -- as, a water-jacketed condenser.

A plate heated by hot water contained in a double bottom or jacket. Knight.

The state of the air or atmosphere with respect to heat or cold, wetness or dryness, calm or storm, clearness or cloudiness, or any other meteorological phenomena; meteorological condition of the atmosphere; as, warm weather; cold weather; wet weather; dry weather, etc. Not amiss to cool a man's stomach this hot weathe…

To press or beat into intimate and permanent union, as two pieces of iron when heated almost to fusion.

ner, a burner in which the combustion of a mixture of air and gas or vapor is employed to heat to incandescence a mantle composed of thoria and ceria. The mantle is made by soaking a "stocking" in a solution of nitrates of thorium and cerium (approx. 99 : 1), drying, and, for use, igniting to burn the thread and conver…

liquid; as, the wet extraction of copper, in distinction from dry extraction in which dry heat or fusion is employed.

ins a small amount of globulin, and traces of fats and sugar, with some inorganic matter. Heated above 60º C. it coagulates to a solid mass, owing to the albumin which it contains. Parr. -- White of the eye (Anat.), the white part of the ball of the eye surrounding the transparent cornea.

White with heat; heated to whiteness, or incandescence.