Architectural and Engineering Glossary
H
Abbr.for “high-intensity discharge.”
A joint between slabs of stone which is made invisible by caulking.
On an architectural drawing,a dashed line that represents a line which exists but is concealed from view.
Same as blind nailing.
See animal glue.
A figure representing (a) an idea,and intended to convey a meaning,(b) a word or root of a word,or (c) a sound which is part of a word;esp.applied to the engraved marks and symbols found on the monuments of ancient Egypt.
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The sacred enclosure of a temple or shrine.
The primary altar in a church.
See common brass.
An overlay consisting of paper that is impregnated with a thermosetting resin and then applied to plywood;provides a smooth,hard,wear resistant surface for high-quality concrete formwork and decking.
A material that detonates almost instantaneously.
See gloss.
Same as the Decorated style,the second of the three phases of English Gothic architecture.
1.A recessed downlight.2.A black circular tube which is mounted on the front of a spotlight to reduce the stray light on the sides of the main beam.
A substance composed of a large molecule which usually but not always consists of repeat units of the low molecular weight; one having a molecular weight greater than 10,000.
A term referring primarily to the culmination of the Italian Renaissance style in the 16th century (cinquecento).Saint Peter’s in Rome is the most famous example.
In the US,a school which provides education beyond elementary school,usually from grade 9 to grade 12 but occasionally including grades 7 and 8.
Steel containing a comparatively large amount of carbon (0.5 to 1%).
A high strength bolt which is tightened with a calibrated torsion wrench;used in place of a rivet.
Same as altar tomb.
A glass that transmits a very high percentage of light which is incident on its surface.
A lighting system with luminaires of the direct or semidirect type,mounted high above the floor;used principally in industrial installations.
A deformed bar.
Any mortar for masonry construction that provides higher bond strength than can be obtained with the usual mortar.
A coating composed of a series of uniform tile-like films which are applied in thicknesses (minimum 5 mils) greater than those normally associated with paint films and thinner than those normally applied with a trowel.
A lime which contains mostly calcium oxide or calcium hydroxide and not over 5% magnesium oxide or hydroxide.
A steel having a carbon content between 0.6% and 1.5%.
A fire hazard typically produced by a fire in combustible piled high storage.
Concrete which,through the use of high-early-strength cement or admixtures,is capable of attaining specified strength at an earlier age than normal concrete.
Building contents that are liable to burn with extreme rapidity and/or from which poisonous fumes or explosions are to be feared in the event of fire.
One of a group of mercury,metal halide,or high-pressure sodium lamps.
Pointing done during the progress of the work,while the mortar is still soft,first by trimming the joints flush with the face of the wall,and then scraping grooves along the edges of the brick at both sides of the joint.
A building having a large number of floors,usually constructed where land costs are high.
Said of a building that is many stories in height,usually higher than ten to twelve stories.
See silicon bronze.
A bolt made of either high strength carbon steel or quenched and tempered alloy steel.
1.In a field of view,a local region that is emphasized,usually by increased local illumination.2.An area on a metal surface which has been most exposed to a buffing or polishing operation,and hence has the highest luster.
The horizontal distance from the edge of a door hinge to the stop side of the door.
The doorjamb to which hinges are attached.
The vertical structural member of a doorframe on which the hinges are fixed,and about which the door pivots;also called a hanging stile.
A metal strap,often ornamental,which is fixed to the surface of a door to give the appearance of a strap hinge.
Same as swinging latch bolt.
See rigid frame.
The top strip of roofing felt or other protective covering over a hip.
In the US,a combination of a hip roof and a gambrel roof.
A metal strip,usually of wrought iron,installed at the foot of a hip rafter;used to fix the hip tiles in place.
A hip hook.
A jack rafter,one end of which terminates at the hip of a roof.
A finial or other similar ornament placed on the top of the hip of a roof or at the apex of a gable.
Same as jerkinhead roof.
