Architectural and Engineering Glossary
A
A system of lacing in which angle irons are used in place of bars.
A modillion at the corner of a cornice.
A landing newel.
A niche formed at the corner of a building;common in medieval architecture.
The angle between the axis of an illuminator and a perpendicular to the surface being illuminated.
A hand tool used to finish a plastered surface.
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In half-timber construction,the corner post.
A hip rafter.
A timber that is cut from a square rail to form two lengthwise pieces which are triangular in cross section.
A hip rafter.
A structural steel member having an L-shaped cross section.
1.A column within the right angled recesses of Norman door and window jambs.2.A decorative member, such as a colonnette or enriched corner bead,attached to an external angle of a building.
A narrow strip of wood used to conceal the joint between a wall and a vertical wood surface which makes an angle with the wall,as at the edge of a corner cabinet.
Same as quoin.
An angle-shaped structural member which is designed to carry a compression load.
A margin trowel.
Same as bowtell.
A bay window that is tri angular in plan and protrudes outward from a wall.
See diagonal chimney stacks.
A stair whose successive flights are at an angle other than 180° to each other (often the angles are at 90°),with an intermediate platform between them.
Same as bulldozer.
A groove,usually containing an angle of 90.
Same as angle tile.
A natural mineral calcium sulfate,used in the manufacture of portland cement to control its set.
See lime.
A black pigment made by charring of animal bones;sometimes used in paints,although carbon black generally is preferred for tinting strength and blackness.Available in three grades:boneblack,drop black,and ivory black.
Descriptive of a material (such as wood) that does not have the same physical properties in all directions.
Glass created by a process that moves it,in a molten form, along a long oven where it is heated and then slowly cooled under controlled conditions,emerging as a flat,“fire polished” glass product.
See soft copper tube.
A subsidiary structure near or adjoining a larger principal building.
A layer of wood produced during one year of a tree’s growth.
Said of a ring shaped structure or object.
A crypt in a church that has a semicircular ambulatory leading to the main chamber,which contains a relic of a saint.
Any molding that is circular in plan,such as the torus at the base of a column.
A nail with circular ridges around its shaft;provides greater holding power than a nail without such ridges.
A barrel vault in the shape of a ring,instead of a straight line;covers a space of which the plan is formed by the area between two concentric circles,or any portion of such a space.
A shaft or cluster of shafts fitted,at intervals,with rings.
A small molding,usually circular in plan and square or angular in section;esp.one of the fillets encircling the lower part of the Doric capital above the necking.
1.A signaling device,usually electrically operated,that emits an audible signal and/or a visual indication under selected circumstances;for example,it may sound an alarm in the case of fire or unauthorized entry.2.See car annunciator.
On drawings,abbr.for anodize.
The surface finish resulting from anodizing;may be transparent or colored by the use of a dye or pigment in the anodizing process.
To provide a hard,noncorrosive,electrolytic,oxide film on the surface of a metal,particularly aluminum,by electrolytic action.
The capital of an anta.
Dating before or existing before the US Civil War (1861–1865).
A room,often spacious and elegant,leading to a private audience room or cabinet.
1.A room preceding a chamber.2.A foyer,lobby,or vestibule.
A separate entrance space,as a porch or vestibule,in front of a chapel.
The space,more or less enclosed,between the inner and outer gates of the choir screen.
A deep narthex at the front of a church,usually with a nave and side aisles.
An entrance court or outer court which precedes the principal court,as at Versailles;a forecourt.
