Architectural and Engineering Glossary
O
See outside casing.
A type of caliper which is especially designed for measuring the outside diameters of round or cylindrical objects.
See outside casing.
External glazing installed from outside of the building.
A gouge which has a bevel ground on the convex side of its cutting edge.
See outside casing.
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Same as outer string.
In wood-frame construction,a soleplate or a double top plate,usually the same size as the studding.
A thread on the external surface of a pipe or cylinder.
An opening or inlet through which outside air is brought into an air conditioning system or into a boiler room.Also called a fresh air intake.
One of the legs of a structural angle member;usually not connected to another structural member.
A marble chip which has been tumbled until a smooth oval shape has resulted;used for terrazzo concrete.
A window having the shape of an ellipse or a shape between an ellipse and a circle.
Any excavation beyond the limits set by the neat line.
An electrical current which is abnormally high,usually as a result of a short circuit.
A form of protection in an electric circuit which prevents damage resulting from excessive current;interrupts the flow of current at a predetermined value.
A relay used to provide overcurrent protection.
As applied to structural design,a design based on requirements higher than service demands,usually as a means of compensating for unknown and/or anticipated deficiencies.
