Architectural and Engineering Glossary
G
A groundsill.
The legally contracted rent paid annually according to the terms of a ground lease.
A bare copper wire,laid underground in the shape of a loop around the exterior of a building;at the corners of the building and other appropriate locations,ground rods are installed and connected to the loop.
A sign supported by uprights or braces in or upon the surface of the ground.
The foundation wall of a building.
An electric system or circuit conductor which is intentionally grounded.
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A conductor embedded in the earth,used to maintain ground potential on the conductors connected to it.
An electric outlet which is equipped with a receptacle of the polarity type with an additional contact for the connection of an equipment grounding conductor.
A system of interconnected grounds.
Same as groundsill.
Water,near the surface of the ground,which passes through the subsoil.
Batten strips applied over roofing boards or the like;used as a base for the application of roofing materials.
One of an unbroken line of houses having a common wall or party wall with its neighbors.
In plumbing,a branch vent that serves two or more traps.
Three or more closely spaced columns forming a group,often on one pedestal.
Concrete that is formed by injecting grout into previously placed coarse aggregate.
A hollow metal doorframe which is completely filled with cement or mortar.
Filling the voids in or between aggregate,block,or tile with grout.
Rate of wood growth expressed as the number of annual rings per inch measured from pith to bark;sometimes used to rate soft woods for strength.
See annual ring.
A hot iron used by plumbers for finishing soldered joints.
A member to which gutter boards are fixed.
A sheet of flexible metal,over the wall side of a gutter along the eaves,which prevents overflow from penetrating the wall.
In a wood gutter along the eaves of a roof,a board on which the lining material of the gutter is laid.
A light metal strap used to secure or support a metal gutter.
Same as downspout.
A tool used to give the desired shape and finish to concrete gutters.
A term sometimes used to describe a structural framing member(such as a corner post) that is either encased or cut away to disguise its appearance.
A supporting rope,cable,or wire which is anchored at one end and tied to an object or structure in order to stabilize it.
That part of a Greek house or a church reserved for women.
On drawings,abbr.for gypsum.
Gypsum having a purity of from 60 to 90% and containing clay,loam,and sand.
A soft mineral consisting of a hydrated calcium sulfate from which gypsum plaster is made (by heating);colorless when pure;used as a retarder in portland cement.
A wallboard having a gypsum core.This noncombustible core has a paper surface.
See Keene’s cement.
A mixture of a calcined gypsum binder and wood chips or other aggregate;when mixed with water,sets to a conglomerate mass;used for poured gypsum roof decks.
Gypsum concrete in which the aggregate consists of shavings,fiber,or chips of wood.
A calcined gypsum plaster used primarily for plaster casts or molds;occasionally used for gauging plaster.
A plastic mixture of gypsum,water,and often sand;can be troweled in the plastic state;hardens in place when the water it contains evaporates.
A calcined gypsum plaster without an aggregate,often used as a base coat.
A wallboard having a gypsum core.
A gypsum base-coat plaster containing perlite as an aggregate.
1.British term for gypsum lath.2.A lightweight,fire resistant,structural precast roof deck having a gypsum core reinforced with galvanized steel mesh.
Ground gypsum that has been calcined and then mixed with various additives to control its setting and working qualities;used,with the addition of aggregate and water,for base-coat plaster.
A wallboard having a gypsum water repellent core;surfaced with a water repellent paper;usually 2 or 4 ft (61 or 122 cm) wide,8 ft (243.8 cm) long, and 1⁄2 in.(1.27 cm) thick;used as a base for exterior wall coverings.
finish Various proprietary,factory mixed plasters used as a finish coat,containing mainly gypsum which has been calcined.
Gypsum base coat plaster containing vermiculite as an aggregate.
A gypsum board used primarily as an interior surfacing in a building.
