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und, SiC, consisting of carbon and silicon in combination; carbon silicide. It is made by heating carbon and sand together in an electric furnace. The commercial article is dark-colored and iridescent. It is harder than emery, and is used as an abrasive.

ocess which consists in surrounding a solid body with the powder of other substances, and heating the whole to a degree not sufficient to cause fusion, the physical properties of the body being changed by chemical combination with powder; thus iron becomes steel by cementation with charcoal, and green glass becomes por…

A fast dyestuff, C20H8O6, made by heating gallein with strong sulphuric acid. It dyes mordanted fabrics green.

A vessel for heating water; -- hence, a dish or pan. A chafer of water to cool the ends of the irons. Baker.

A vessel for heating water. [Obs.] Johnson.

The dome of a heating furnace. Knight. Cockle hat, a hat ornamented with a cockleshell, the badge of a pilgrim. Shak. -- Cockle stairs, winding or spiral stairs.

A series of connected pipes in rows or layers, as in a steam heating apparatus. Induction coil. (Elec.) See under Induction. -- Ruhmkorff's coil (Elec.), an induction coil, sometimes so called from Ruhmkorff (, a prominent manufacturer of the apparatus.

One that commingles; specif., a device for noiseless heating of water by steam, in a vessel filled with a porous mass, as of pebbles.

ctory crucible, composed of the finest fire clay and sand, and commonly used for a single heating; -- named from the place of manufacture.

th a peach- blossom odor, so called from its tendency to form blue compounds; obtained by heating ammonium oxalate, mercuric cyanide, etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon and soda or potash. It conducts itself like a memb…

an organic acid, C3O3N3H3, first obtained by heating uric acid or urea, and called pyrouric acid; afterwards obtained from isocyanic acid. It is a white crystalline substance, odorless and almost tasteless; -- called also tricarbimide.

ll of, or characterized by, deceit; serving to mislead or insnare; trickish; fraudulent; cheating; insincere. Harboring foul deceitful thoughts. Shak.

Specifically: (Steam Boilers) An arrangement of pipes for heating feed water by waste heat in the gases passing to the chimney.

Heating; burning. [Obs.] The wicked enchaufing or ardure of this sin [lust]. Chaucer.

em.), an organic, imide acid, obtained as a colorless crystalline substance, C12H4N2O8 by heating an ammonium salt of mellitic acid. By reduction it is changed to a dark blue substance (euchrone), -- hence its name.

oughts in a sonnet. Sir. H. Wotton. Evaporating surface (Steam Boilers), that part of the heating surface with which water is in contact.

A heating or warming; calefaction. [Obs.] Blount.

Heating; warming. [Obs.] Holland.

unds, and the basis of the ferric ferrocyanate, prussian blue. It is obtained by strongly heating together potash, scrap iron, and animal matter containing nitrogen, as horn, leather, blood, etc., in iron pots.

m boiler which are exposed to the direct heat of the fuel and the products of combustion; heating surface. -- Fire swab, a swab saturated with water, for cooling a gun in action and clearing away particles of powder, etc. Farrow. -- Fire teaser, in England, the fireman of a steam emgine. -- Fire water, ardent spirit…