Architectural and Engineering Glossary

C

Card Frame,card Plate

A metal frame,attached to a door or drawer,which holds a name card or label.

Cardo

A hinge or pivot,used in ancient construction to hang a door.

Carnarvon Arch

A lintel supported on corbels. 

Carnauba Wax

A hard,high melting-point wax;used in wood polishes and coatings to produce a matte finish.
 

Carpentry

A building trade which includes cutting,framing,and joining the timbers or wood work of a building or structure.

Carpet

A heavy,durable floor covering,usually of woven,knitted,or needle-tufted fabric;commonly installed with tacks or staples,or by adhesives.

Carpet Bedding

Beds in which small annual plants with ornamental foliage or flowers,and perhaps gravel filled sections as well,are arranged in patterns to be seen from above.

Carpet Construction

Descriptive of the method by which a carpet is made,and how the pile fibers are fixed to the carpet backing;the construction is often classified as woven,tufted,or knitted.

Carpet Cushion

Same as carpet underlayment.

Carpet Density

The number of rows of pile tufts per inch,lengthwise.

Carpet Face Weight

The weight of carpet pile;in the US usually expressed in ounces per square yard of pile.

Carpet Fiber

The material of which the yarn of the carpet pile is made,as wool,acetate,acrylic,cotton,nylon,polyester,polypropylene,rayon,etc. 

Carpet Float

A wood float,covered with a piece of dense pile carpet;used in plastering to produce a fine grained texture in a sand finish.
 

Carpet Installation

See stretch in carpet installation.

Carpet Pile

The tufts of yarn that stand erect from the base of the carpet and whose ends form the surface;the ends may be cut or looped.

Carpet Pile Height

The height of the pile yarn above the backing material;usually expressed in inches or millimeters.

Carpet Pitch

The number of warp yarn ends per inch crosswise of the loom;usually expressed in terms of the number of pile yarn ends in a 27-in.(68.6-cm) width of carpet.

Carpet Stuffers

Extra yarn,usually jute,which is run lengthwise through the center of the fabric of carpet backing to add thickness and weight.

Carpet Tile

A square piece of carpet used to cover a floor surface;commonly,such individual pieces are cemented to the floor with an adhesive to form a continuous surface.

Carpet Underlayment

A padding material,laid directly on the floor,over which carpet is installed;usually manufactured of hair felt,foam rubber,hair felt and jute,sponge rubber,or some other combination of these materials.

Carpet Warp

Yarn which runs lengthwise of the fabric,passing alternately over and under the weft yarns.

Carpet Weft

Yarn  which runs across the width of the carpet,from selvage to selvage.

Carport

A covered automobile shelter associated with a separate dwelling.It has one or more sides open to the weather.

Carreau

A single glass or encaustic tile,usually square or diamond shaped,used in ornamental glazing.

Carrefour

1.An open place from which a number of streets or avenues radiate.2.By extension,any crossroad or junction.3.A public square or plaza.

Carrel,cubicle

carrel,cubicle A small individual compartment or alcove in a library,used for semiprivate study. 

Carrelage

Tiling;esp.the decorative tiling interra-cotta used in the Middle Ages for floors,etc.imitated in modern times.
 

Carriage Bolt

A threaded bolt having a circular head,an oval or flat bearing surface,and a means(such as a square shoulder under the head) of preventing rotation of the bolt.

Carriage Clamp

A type of C clamp used in carpentry.

Carriage House

See coach house.

Carriage Porch

A roofed structure over a driveway at the door to a building,protecting from the weather those entering or leaving a vehicle.Also see porte cochere.

Carriage Shed

A rough,roofed structure having one or more open sides;once used as a temporary shelter for horse drawn carriages,as in the yard of a church.

Carriageway.

A road designed to carry vehicular as opposed to pedestrian traffic;specifically,the actual traffic lanes of such a road as distinct from median strips or shoulders.

Carrier

1.A mobile prime mover for transporting construction machines;also may serve as the working base or undercarriage of the machine.2.A container attached to or hung from a trolley for moving a load from one point to another on a construction site.3.A carrier angle or carrier bar which supports treads formed from metal grating.

Carrier Angle

An angle iron connected to the inside face of a stair stringer to form a supporting ledge for the end of a tread or riser.

Carrier Bar

A flat metal bar which is used in the same way as a carrier angle.

Carrol

Same as carrel.

Carrying Capacity

Of an electric cable or wire,same as ampacity.

Carrying Channel

In suspended ceiling construction,a three sided metal member used to support the entire ceiling assembly.

Cartridge Type Filter

A water filter in the form of a cartridge.

Carvel Joint

A flush joint between adjacent planks.

Caryatid

A supporting member serving the function of a pier,column,or pilaster and carved or molded in the form of a draped,human,female figure.See canephora.

Case Bay

That section of a floor or roof between two principals or girders.

Cased Beam

1.A beam having a casing,2.Same as caged beam.
 

Cased Column

Same as caged column.

Cased Frame,boxed Frame,box Frame

The wood frame of a double hung window;has hollow jambs or mullions which contain the sash counterweights.

Cased In Timber

Same as cased beam.

Cased Pile

A concrete pile made by casting concrete within a steel casing placed into the ground;a cast in place pile.

Cased Sash Frame

A cased frame.

Casein

A protein;the chief nitrogenous ingredient of milk.