To strengthen or toughen a metal by reheating at a

lower temperature and slowly cooling the material.

a large vertical furnace for smelting iron from ore, in which combustion is intensified by a continuous blast of air through the fuel.

the solid residue of coal left after destructive distillation, used as a fuel.

a list of metals arranged in order from least noble to most noble. The farther apart two metals are on the list, the more susceptible the least noble one is to corrosive deterioration.

to plate with adherent metallic coating by electrolysis, usually to increase the hardness, improve the durability, or enhance the appearance of the base metal.

sheet metal slotted and stretched into a stiff, open mesh or lattice, used esp. as lath.

a structural member consisting of a pair of angles joined back to back. the parallel legs may be in contact or slightly separated.

a stiffener angle for the web of a plate girder, place at a point of support or under a concentrated load.

a beam consisting of a single or built-up structural steel section

a steel plate fixed atop a column to provide a bearing surface for a crossing beam or girder.

a high-strength bolt tightened with a calibrated torsion wrench and providing the clamping force necessary for the surfaces of the connected members to transfer the load between them by friction.

a ductile, malleable, reddish-brown metallic element that is an excellent conductor of heat and electricity and is widely used for electrical wiring, water piping, and in manufacture of alloys.

a nonmetallic element having amorphous or crystalline forms, used esp. in electronic devices and to strengthen low-alloy steels.

a geotextile fabric that allows water to pass freely into an underground drainage medium but prevent fine soil particles from entering and clogging the system.

the treatment of a masonry or concrete surface to retard the absorption of water or penetration of water vapor, either by applying a waterproof coating or by using a suitable admixture.

an exposed outer layer of a wall, having openings designated to deter the penetration of rainwater and to equalize the air pressures on opposite sides of the facing.

the distance by which one sheet of flashing overlaps another.

a short reinforcing bar extending equally into two abutting sections of concrete to prevent differential movement.

a joint separating two sections of a structure so that differential movement or settlement can occur between the parts.

the horizontal section of a classical order that rests on the columns.

having nine columns on one or either front.

a raised band or fillet separating the frieze from the architrave on a doric entablature.

an encircling band, molding, or fillet, on a capital or shaft of a column.

it corresponds to a triglyph above and from which guttae are suspended. also called guttae band.

an ornamental bracket, usually in the form of a scroll with acanthus, used in series beneath the corona of a Corinthian, Composite, or Romain Ionic cornice.

the underlying part of a foliated capital, between the abacus and neck molding.

the projection of a figure or form from the flat background on which it is formed.

a mythological animal typically having the head and wings of an eagle and the body and tail of a lion.

an oval or oblong, slightly convex surface, usually surrounded with ornamental scrollwork, for receiving a painted or low-relief decoration.

an ornament of honeysuckle or palm leaves in a radiating cluster.

to decorate a shrine or tabernacle with a miniature architectural forms so as to produce a lacy effect.

a convex, rounded molding.

a small convex molding usually semicircular in section.

a continuous, molded projection that crowns a wall or other construction, or divides it horizontally for compositional purposes.

an ornamental bracket, usually formed with scrolls and taller than its projection.

a finely ground, insoluble substance suspended in a liquid vehicle to impart color and opacity to a paint.

having little or no glass, producing a finish midway between semigloss and flat.

a finely granular form of pure gypsum, often white and translucent, used for ornamental objects and work.

having all water of crystallization removed.

a fine-texture stucco finish produced by smoothing with a carpet or rubber-faced float.

a fine ornamental plasterwork, esp. exterior plasterwork bearing designs in low relief.

a narrow strip of expanded-metal lath for reinforcing joints in gypsum lath or junctures between different types of plaster bases.

the attaching of wood strips or metal channels to a wall or other surfaces, so as to provide an even base for lath or a finish material or to provide an air space between a wall and a finish material.

a pasty compound for embedding joint tape, filling indentations, and finishing the joints in a gypsum-board surface.

a slight bend in the edge of a flashing forming a capillary break.

a metal flashing for a vent pipe projecting above a roof deck.

the upper part of a column just above the shaft and below the projecting part of the capital, when differentiated by a molding, groove or the omission of flutting.

a deep concave molding between two fillets. also called trochilus.

a hexagram used as a symbol of Judaism.