Architectural and Engineering Glossary
G
The steps in a Classical amphitheater.
1.A step.2.A raised shelf above and at the back of an altar.
1.The action of excavating or filling,or a combination thereof. 2.See particle-size distribution.
Specifications by which lumber,plywood,etc.are grouped according to quality.
The sorting of timber,logs,or lumber according to the number and type of defects.
To join a scion,shoot,or bud to the stock of another similar plant.
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A storehouse for grain,usually after it has been threshed,or for the storage of corn after it has been husked.
A key that operates locks in several groups,each of which has its own master key.
1.A farm.2.A farmhouse and its outbuildings.
A one coat porcelain enameled article having a mottled pattern which is produced by the controlled corrosion of the metal base prior to firing.
Soil comprised of sediments or other unconsolidated accumulations of particles (such as gravel,sand,or silt) having no clay content;crumbles easily when dry.
Small particles of cork used as loose-fill thermal insulation,to make cork tile,etc.
See scribed joint.
A running ornament usually consisting of a grapevine with bunches of grapes and grape leaves.
The art of drawing,esp.of drawing according to mathematical rules,as in perspective,projection,etc.associated with architectural and engineering plans.
A painting compound consisting of powdered graphite and oil;used to coat metallic structures to inhibit corrosion.
One of the forms under which carbon occurs in nature;electrically conductive;in powdered form,used as a lubricant.
A clamshell,2 which has three or more jaws;especially suitable for handling rocks such as rip rap.
A pointed spike that is driven into masonry to provide an eye for support of the brackets of a scaffold.
A loosely woven fabric of vegetable fibers;used for wall covering.
Any primitive house built of natural materials such as grass,reeds,or fronds;usually having a round or rectangular shape and a thatched roof;examples include palma hut and a Hawaiian hale.
Same as ground table.
A grass-surfaced channel for water,usually used to carry away surface runoff and reduce surface erosion.
A surface with suitable openings to support a fuel bed,such as coal,and permit passage of air through the burning fuel.Designed to permit removal of unburned residue,and may be horizontal or inclined,stationary or movable.
On a theater stage,an oblong trap,2 often located toward the front of the stage along its center line.
A coarse granular aggregate,larger than sand;formed either naturally or by crushing rock;will pass a 76.1-mm (3-in.)sieve and be retained on a 4.76-mm (No. 4) sieve.
A board attached near the lower edge of a wood fencing so that the fencing does not touch the ground;prevents the lower end of the fencing from rotting.
See gravel board.
See built-up roofing.
A flange,usually of a metal strip,used to prevent gravel or loose surfacing from washing off a roof;may also provide a finished edge for built-up roofing.
The spreading of gravel on top of a flood coat,2 in built-up roofing.
Same as free water.
The transfer of heat resulting from differences in density of air or water (because of differences in temperature),that thereby causes the flow of air or water.
See building gravity drainage system.
Said of a chute that transports waste materials,soiled linen,etc,from one level of a building to another by the force of gravity.
The flow of water drawn through a conduit under the force of gravity.
A hinge that closes automatically as a result of the weight of a door to which it is attached.
See building gravity drainage system.
A water system in which the source of water is at a higher elevation than the place where the water is to be used.(See illustration p. 472.)
A massive concrete wall that resists overturning by virtue of its own weight.
See cast-iron pipe.
A series of achromatic samples in discrete steps in lightness from white to black.
Waste water which may be a combination of liquid and water carried wastes,with the exception of human wastes.
Light that is reflected from a source placed close to a surface,usually to emphasize the texture of the surface.
See grees.
Equipment which traps droplets of grease and greasy vapors from the exhaust air of cooking equipment.
See grease trap.
A device for removing grease from waste water by allowing the retained liquid to cool and the grease to solidify;then the grease is separated by flotation;it rises to the top of the trap,where it is held.
A chamber within the great room of a manor house.
The main or central residence of an estate or plantation.
