Architectural and Engineering Glossary
Symbol for “hour.”
A steel bar shaped like an H;used in structural systems;one form of main runner in a suspended acoustical ceiling.
A steel beam shaped like an H.
A hollow concrete masonry unit having both ends open in the form of one-half of a cell.
Horizontally perforated brick.
The ratio of the height H,to the diameter D.
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In the lumber industry, abbr. for “hit and miss.”
A barrier in the form of a trench; usually used to prevent livestock from crossing; a sunken fence.
The distinctive appearance and pattern of growth of a plant.
The gross floor area of an occupied dwelling, not including the basement, garage, or crawl spaces.
A space used for living, sleeping, eating, or cooking, or combinations thereof, but not including bathrooms, closets, halls, stor- age rooms, utility and similar spaces.
By code, a space occupied by one or more persons for living, sleeping, eating, or cooking (although a kitchenette is not usually deemed to be a habitable space). Compare with nonhabitable space.
1.A dwelling or habitation. 2.A niche for a statue.
for Historic American Buildings Survey.
One of a series of parallel lines drawn on topographic maps in the direction of the slopes of hills or depressions to indicate relief features. The steeper the slopes, the heavier and more closely spaced the hachures become.
1.A large estate in North and South American areas once under Spanish influence. 2.The main house on such an estate or ranch.
1.Roughening a surface by striking with a tool. 2.Laying brick so that the bottom edge is set in from the plane surface of the wall. 3.In a stone wall, the breaking of one course of stone into courses of different height.
Aknifeused to remove old putty from a frame before reglazing.
A saw having a blade (typically fine toothed) which is supported in an adjustable metal frame; used for cutting metals.
In northern European decorative arts of the Renaissance and derivatives, modeled, lead glazed earthenware often used for tiled heating stoves.
The handle of a tool.
A sacred place; a baptismal font.
Abbr. for “Honorary Member, American Institute of Architects.”
The central chapel of the three forming the sanctuary of a Coptic church.
A tool formerly used by plasterers to remove hair or fiber from plaster; made of two pieces of wood lath, fastened at one end by wire.
A non woven felt usually made of cattle hair; once used as thermal insulation in buildings.
A tool now obsolete, having several tines for mixing hair or fiber into plaster.
hair trap A device used to remove hair before it enters a drainage system.
A mortar (traditionally) containing a mixture of cow’s hair, lime,and sand.
Mortar containing hair or fiber.
Very fine cracks, in a random pattern,which usually do not completely penetrate a paint film,an exposed layer of concrete, etc.
Between two abutting members,a joint not more than 1⁄64 in. (0.38 mm) wide.
1.The wedge used to tighten some types of form ties.2.A hairpin shaped anchor set in place while concrete is plastic.
In Hawaii,a primitive house, especially one consisting of a wood framework covered by thatched grass.
An engaged baluster,projecting about half of its diameter.
A brick cut to half its length.
A room containing a wash basin and toilet (W.C.).
A Cape Cod house that has two double hung windows on only one side of the front door.
An engaged column projecting approx.one half its diameter,usually slightly more.
The lower half of a Dutch door.
A wood joint similar to a dovetail but having only one side flared;the other side is straight.
Same as terminal figure.
A tool similar to a lath hammer but with a broader blade.
A brick,or cement block,either cut longitudinally into two equal parts or cut into four parts by cutting these halves transversely;used to close the work at the end of a course.
A Cape Cod house or saltbox having two windows on one side of the front door and none on the other.
Same as halfpace.
A roof member or rafter that does not reach to the ridgepole but is supported at its upper end by a purlin.
A convex strip or molding of semicircular profile.
In plumbing,same as P trap.
Same as open slating.