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The increase of temperature communicated to steam by superheating it.

An apparatus for superheating steam.

y the flank prolonged, and the angle of the nearest bastion. Stocqueler. Caustic surface, Heating surface, etc. See under Caustic, Heating, etc. -- Surface condensation, Surface condenser. See under Condensation, and Condenser. -- Surface gauge (Mach.), an instrument consisting of a standard having a flat base and ca…

To unite by heating, after the application of soldier.

A coarsely granular substance obtained by heating, and thus partly changing, the moistened starch obtained from the roots of the cassava. It is much used in puddings and as a thickening for soups. See Cassava.

of a metal or other substance, especially as to its hardness, produced by some process of heating or cooling; as, the temper of iron or steel.

ated to redness, in cold water or other liquid, to give an excess of hardness, and then reheating it gradually until the hardness is reduced or drawn down to the degree required, as indicated by the color produced on a polished portion, or by the burning of oil. Tempering color, the shade of color that indicates the de…

ndwriting. -- Test tube. (Chem.) (a) A simple tube of thin glass, closed at one end, for heating solutions and for performing ordinary reactions. (b) A graduated tube.

A tank containing pipes through which circulates steam, water, air, or the like, for heating or cooling; -- used in some heating and ventilation systems.

A process of increasing the strength of wrought iron by heating it to a determinate temperature, and giving to it, while in that state, a mechanical strain or tension in the direction in which the strength is afterward to be exerted.

loric or dilute sulphuric acid, then taking an impression with a press, and next strongly heating this impression.

Given to tricks; artful in making bargains; given to deception and cheating; knavish. -- Trick"ish*ly, adv. -- Trick"ish*ness, n.

, and by decomposition yields urea, among other products. It can be made synthetically by heating together urea and glycocoll. It was formerly called also lithic acid, in allusion to its occurrence in stone, or calculus.

A base, C10H19N, produced by heating valeric aldehyde with ammonia. It is probably related to the conine alkaloids.

place itself. (b) (Chem.) A small metallic drying oven, usually of copper, for drying and heating filter papers, precipitates, etc.; -- called also air bath. A modified form is provided with a jacket in the outside partition for holding water, or other volatile liquid, by which the temperature may be limited exactly to…

nizing, to molten zinc; -- called also Sherardizing. Vapor galvanizing is accomplished by heating the articles to be galvanized together with zinc dust in an air tight receptacle to a temperature of about 600º F., which is 188º below the melting point of zinc, or by exposing the articles to vapor from molten zinc in a…

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

The act of warming, or the state of being warmed; a warming; a heating. [Colloq.] Dickens.