VISUAL DICTIONARY IX Flashcards
What is a vaulted structure having a circular plan and usually the form of a portion of a sphere; so constructed as to exert an equal thrust in all directions?
DOME
What is a curved line describing a vertical section cut through the axis of a rotational surface of a dome?
MERIDIONAL LINE
what is a circular line describing a horizontal section cut perpendicular to the axis of a rotational surface of a dome?
HOOP LINE
What is the force acting along a hoop line of a dome structure, perpendicular to meridional forces, which restrains the out-of-plane movement of the meridional strips in the shell of a dome, compressive in the upper zone and tensile in the lower zone?
HOOP FORCE
What force is acting along a meridional line of a dome structure, always compressive under full vertical loading?
MERIDIONAL FORCE
What is a dome having the form of a hemisphere?
SEMICIRCULAR DOME
What is a dome having the form of a segment of a sphere with its center well below the springing line, particularly sensitive to buckling under an external load?
SAUCER DOME
What is the ring encircling the base of a dome to contain the outward components of the meridional forces?
TENSION RING
What is a dome built with steel or timber trusses arranged in a radial manner and connected by polygonal rings at various heights?
RADIAL DOME
What is a steel deme structure having members that follow the lines of latitude and longitude, and a third set of diagonals completing the triangulation?
SCHWEDLER DOME
What is a steel dome structure having members that follow the circles of latitude, and two sets of diagonals replacing the lines of longitude and forming a series of isosceles triangles?
LATTICE DOME
What is a steel dome having members that follow three principal sets of great circles intersecting at 60°, subdividing the done surface into a series of equilateral spherical triangles?
GEODESIC DOME
What do you call the circular opening at the crown of a dome?
OCULUS
What is a superstructure crowning a roof or dome and having open or windowed walls to let in light and air?
LANTERN
What is a light structure on a dome or roof, serving as a belfry, lantern, or belvedere ?
CUPOLA
What do you call the vertical part of a cupola?
TAMBOUR
what is the space between the inner and outer shells of a dome?
INTERDOME
What do you call a dormer window in a roof or spire?
LUCARNE
What is a space or gallery beneath a dome or vault in which low sounds produced at any of certain points are clearly audible at certain other distant points?
WHISPERING GALLERY
What is half a dome formed by a vertical section, such as one over a semicircular apse?
SEMIDOME
What is a semidome or quarter-sphere vault, such as one over an apse or niche?
CUL-DE-FOUR
What is the spherical triangle forming the transition from the circular plan of a dome to the polygonal plan of its supporting structure?
PENDENTIVE
What do you call the area in the plane of a wall framed by an arch or vault, containing a window, painting, or sculpture?
LUNETTE
What is a spherical dome formed by removing four segments so that it merges with its pendentives and sits on a square plan?
PENDENTIVE DOME
what is an arch or corbeling built across the upper inside corner of a square tower to support the side of a superimposed octagonal structure?
SQUINCH
What is a cylindrical or faceted construction, often pierced with windows, supporting a dome?
DRUM
What do you call the substructure supporting a dome on cupola?
THOLOBATE
What do you call the strap, ring, or chain placed around a structure to secure and hold its parts together, as around the springing of a dome?
BANDAGE
What is a hinged, sliding, or folding barrier of wood, metal, or glass for opening and closing an entrance to a building, room, or cabinet?
DOOR
What is a door that turns on hinges or pivots about a vertical edge when pushed or pulled?
SWINGING DOOR
What is a door carried on and swinging about on the center or offset pivot as distinguished from one hung on hinges?
PIVOTED DOOR
What is a door with hinged sections that can be folded flat against one another when opened?
FOLDING DOOR
What is a door that operates or moves by sliding on a track, usually parallel to a wall?
SLIDING DOOR
What is a large door consisting of horizontal interlocking metal slats guided by a track on either side, opening by coiling over an overhead drum at the head of the door opening?
ROLLING DOOR
What door hung on hinges that permit it to swing in one direction only?
SINGLE-ACTING DOOR
What door hung on hinges that permit it to swing in either direction from a closed position?
DOUBLE-ACT ING DOOR
What is a pair of doors hung in the same door frame?
DOUBLE DOORS
What do you call a hinged or sliding section of a door or shutter?
LEAF
What is the leaf of a pair of double doors to which the latching or locking mechanism is attached?
ACTIVE LEAF
OPENING LEAF
What is the leaf of a pair of double doors to which the strike plate is fastened to receive the latch or bolt of the active leaf, usually fixed in a closed position by bolts at the top and bottom of the door?
INACTIVE LEAF
STANDING LEAF
What do you call the molding attached to one or both meeting stiles of a pair of double doors to prevent drafts or the passage of light, noise, or smoke?
ASTRAGAL
What is a slender vertical member dividing the opening for a pair of double doors, sometimes removable to permit the passage of large objects?
MULLION
What is a pivoted door that is partially counterbalanced for easier opening and closing?
BALANCED DOOR
What is a door that opens automatically at the approach of a person or automobile?
AUTOMATIC DOOR
What do you call the mechanism that automatically opens a door when actuated by a radio transmitter, electric eye, or other devices?
DOOR OPENER
What is a folding door that divides into two leaves, the inner edge of each leaf being hung from an overhead track and outer edges pivoted at the jamb?
BIFOLD DOOR
What is a multileafed door that is hung from an overhead track and opens by folding back in the manner of an accordion?
ACCORDION DOOR
What is a door that slides into and out of a recess in a doorway wall?
POCKET DOOR
What is a large door constructed of one or several leaves, opening by swinging or rolling up to a position above the door opening?
OVERHEAD DOOR
What is an entrance door for excluding drafts from the interior of a building, consisting of four leaves set in the form of a cross and rotating about a central, vertical pivot within a cylindrically shaped vestibule?
REVOLVING DOOR