Definitions starting with r

• Ruhrsite-ID The official identification number used by municipalities in the Ruhr region of Germany.
• rack and pinion Elevators that climb along a toothed rack through the rotation of pinion gears engaged to the rack.
• rack-supported building An enclosure supported internally by a dense framework of storage racks.
• radar transmission A site for transmission of radar signals.
• radial-lobed A floor plan in the shape of a flower or star, with radial wings arranged around a common center.
• radiators Heating is generated by passing water through convection coils in local spaces within the building.
• radio station Space for the production and broadcast of radio programs.
• radio transmission A site where radio station signals are disseminated through the air.
• radome An enclosure for protecting microwave transmission equipment.
• rail spur connection A direct interface to a railroad spur for loading and unloading.
• rail traffic A site or structure used as a route for trains, subways, or other form of rail transportation.
• rail traffic control A control tower or other site for directing railroad traffic.
• rail traffic signal Dynamically changing signs which issue commands to trains and railcars.
• railcar maintenance Facilities for the repair and upkeep of trains, subways, and trams.
• railcar speed (max) The maximum speed normally achieved by a railcar on a rail pathway or amusement ride.
• railing fabricator A manufacturer of protective or restrictive fence-like barriers that are installed permanently.
• railroad A route lined with tracks which is accessible to trains.
• railyard An open-air site with many parallel railroad tracks for storing and sorting rail cars.
• rainwater recycling A system to collect rainwater and make use of it within a structure.
• raised access floor fabricator A manufacturer of elevated floors that permit enhanced electronics or utilities underneath.
• raised floors Elevated floorplates designed to allow advanced wiring systems underneath.
• ramp down A main entrance is approached from outside by walking or moving down a ramp.
• ramp up A main entrance is approached from outside by walking or moving up a ramp.
• ramped floor A floor level above ground, with a sloping floor surface which connects to other levels.
• rapid transit line A dedicated corridor for urban rail transportation with limited reach.
• rating A standardized quality assessment of a structure or any subset of that structure.
• raw material storage A container or site for bulk storage of liquid or particle commodities.
• reactor building A shell-like building designed to hold a power-generating reactor.
• reading room A small library included as an extra amenity, with bookshelves and reading space.
• real estate Companies or other entities which control and/or manage properties.
• real estate agency An office where customers looking for homes or other real estate meet with brokers or agents.
• real estate agent A firm which sells or leases real estate to purchasers and prospective tenants.
• real estate association An organization to promote common causes among various enrolled property firms.
• real estate research A company which researches and sells information about real estate markets.
• real estate services Spaces for customer or user services pertaining directly to real estate properties.
• real estate software A producer of software used in property management applications.
• rebar manufacturer A manufacturer of steel bars used to reinforce structural concrete in a building frame.
• reception antenna A metal coil or other device, usually on a roof, for picking up airborne broadcast signals.
• recessed lighting Incandescent lighting which is flush with or recessed above the ceiling plane.
• recladding begins Removal of the existing facade begins in preparation for a new facade.
• recladding ends Replacement of the previous facade with a new ones is completed.
• recognition A regularly bestowed award or other certification given to an object for a defined reason.
• recognition date The officially stated date, month, year, or other time for which a recognition is given.
• recognition type The general class of recognition which defines its character.
• record store Retail space specializing in recorded music and sounds.
• recording studio A place where sound recordings are made.
• recreation Space for relaxing activities such as playing, resting, and enjoying the environment.
• rectangle A floor plan with 4 sides meeting at right angles and one axis longer than the other.
• rectory Housing for priests or other clergy.
• recycling center A site for the collection and sorting of recyclable wastes.
• recycling storage Space for storage of materials about to be recycled.
• red Colors with a reddish hue, ranging from light pink to very dark red.
• red Medium red; one of the three additive primary colors.
• red violet A slightly dark shade of red with a bit of purple.
• reference point Definitions of terms referred to in data and professional literature.
• reform synagogue A house of prayer and worship in Reform Judaism.
• refugee asylum Living space provided for persons fleeing wars or political conditions in their homeland.
• region A widely recognized group of closely related adjoining countries.
• region-themed zoo exhibit A zoo habitat for housing and displaying animals of a particular continent or region.
• regional courthouse A general-purpose courthouse with specific regional jurisdiction.
• regional cuisine fast food A fast food restaurant specializing in a particular regional or national style of food.
• regional cuisine restaurant A restaurant specializing in food cooked in a particular regional or national style.
• regional cuisine take-out A place without table service where customers order food from any national or regional cuisine for take-out or delivery.
• regional mall A large shopping mall with at least one major anchor store.
• regional police station A base office for a police department under a government between the city level and the national level.
• regular floor A normal and occupiable floor level which is fully above the base level of a building or structure.
• rehabilitation center A place for restorative exercise and treatment following illness, surgery, or trauma.
• rehearsal space A place designated for practicing and rehearsing any performing art.
• reinforced concrete A load-bearing frame made of poured-in-place concrete with steel reinforing bars.
• reinforced concrete A load-bearing staircase frame built of steel-reinforced concrete.
• reinforced concrete A roof-supporting framework made of reinforced concrete.
• reinsurance company A company which distributes financial risk among insurers to stabilize their business.
• relationships Connections between one object and any number of others.
• relief carving Extensive or prominent carvings on the facade or outer surface of a structure.
• religion Space used for religious rituals, ceremonies, prayers, and devotions.
• religious affiliation A place operated by or connected closely with one particular religious faith.
• religious building A building for religious purposes with a large open interior or other monumental qualities.
• religious distinction A recognized designation of a religious site within a religious hierarchy or classification system.
• religious housing Group housing for clergy or any members of a religious order.
• religious memorial A site or object representing a saint, deity, scriptural scene, or other subject with religious significance.
• relocation to a new site An object reaches its new site after being moved from another.
• remote heat generation Heat is supplied by an external heating plant, and delivered in the form of a heat conductor such as water.
• removal from former site An object is removed from one site, on the way to be relocated at another.
• removed The structure has been taken from its location without having been destroyed.
• renaissance European architecture of the 14th-17th centuries with an emphasis on classical symmetry and order.
• renamed A company which has changed its name, and exists later in another form.
• rendering A mechanically or electronically drawn likeness of an object.
• renovated Space which has been significantly renovated within the past 5 years.
• renovation cost The amount of money spent on a single renovation project of any kind.
• rent payment online Rent can be paid via an online internet portal.
• rental aircraft hangar Enclosed space for storage and/or maintenance of aircraft available for short-term rental.
• rental area The total amount of built floor space that can be rented or leased.
• rental cost The price charged to tenants per measured square unit to rent space in a structure.
• rental housing Multiunit housing leased or rented to persons without a stake in the property.
• rental office Commercial workplaces which are leased out to their tenants.
• replacement initiated Replacement of one structure on a site with the next building takes effect.
• replica A structure which is a clear or acknowledged re-use of a design previously built elsewhere.
• reptile exhibit A zoo space for housing and public viewing of reptiles.
• research Spaces for experimental research and scientific and technological development.
• research establishment An institution which focuses on research in a particular field.
• reservoir formation An object designed to form a large available supply of standing water.
• residence provider A company which leases and sub-leases blocks of residential units.
• residential Space used for people's homes.
• residential area Total open floor area used for residential space.
• residential condominium Multi-unit housing which is set up for owner occupancy.
• residential condominium association A group of unit owners acting as the common owner of a building or complex.
• restaurant A space where customers are served meals at tables.
• restaurant operator A business which operates, franchises, or lends its brand to any commercial eatery.
• restoration begins Work begins on a process to return an object to its original or former appearance.
• restoration ends Work is completed on a process to return an object to its original or former appearance.
• restriction Quantitative or numerical limitations on accessibility of use of a place or object.
• restroom(s) in unit Toilet and washing facilities are available in each individual suite or unit.
• restrooms Toilet facilities with fixtures for personal washing and hand-drying.
• retail Space used for the trading of goods and services between vendors and consumers.
• retail and services Businesses which provide direct services to customers at a particular site.
• retail area Total open floor area used for retail space.
• retail building A building used mainly for stores, dining, or any similar customer-facing businesses.
• retirement home An independent living facility for senior citizens with nursing or medical care available on the premises.
• retractable bridge A movable bridge whose span opens by sliding backwards.
• retractable roof All or part of the roof can be moved back and forth to expose or cover the interior.
• retractable roof opening time The minimum length of time it takes to open a retractable roof completely.
• revenue Data which describes the receipts or earnings of any object.
• revival style Architectural styles from 1750 to the present which re-introduce older historical styles.
• revolving floor At least one floor of the building rotates around a central point.
• rheumatology Clinical space where doctors treat or advise patients for conditions of the joints and connective tissues.
• rigid frame A simple framing system relying on the strength of joints between members.
• riot police dormitory Temporary housing for mobilized police officers monitoring large and important events.
• riverport terminal A station or loading facility for ships on a river.
• road shelter A tunnel-like enclosure built over a right-of-way to shelter or protect it.
• roadway A corridor where road vehicles can be driven.
• robotic facade maintenance Any system which cleans and maintains a building's windows and facade using robots, usually housed in a maintenance unit.
• robotic parking system A mechanized system that moves or guides into parking spaces.
• rock and roll club A lounge or bar specializing in live performances of rock music.
• rock storage Space for bulk storage of raw stone extracted from the earth.
• rococo An advanced form of Baroque design with excessive ornamentation.
• rodeo A field or fenced area used for rodeo performances.
• role The specific role a company performs with respect to any object it is connected with.
• roller coaster A thrill ride with large drops, swerves, twists, and/or loops along a set of tracks.
• roller hockey One or more rinks for hockey played on four-wheeled roller skates, with goals at both ends.
• roller skating Space for recreational or competitive roller skating or inline skating.
• rolling bascule bridge A movable bridge which opens by rolling large gears on a rack.
• roman catholic church A house of worthip in the Roman Catholic faith.
• romanesque Architecture of the early second millennium characterized by massive symmetrical constructions with rounded arches and vaults.
• roof covering The substance and layout of the material used to cover the upper surface of a building.
• roof deck The main roof or uppermost roof is equipped for regular access by tenants or visitors.
• roof form The basic shape of a building's top section or roofline.
• roof frame material The material used in the structural framework supporting the roof.
• roof height The distance from base level to the upper surface of the structure's highest hollow or enclosed portion.
• roof installation The company which specializes in the construction or installation of a structure's roof.
• roof installation begins Initial construction of a structure's roof begins.
• roof installation ends Initial construction of a structure's roof is concluded.
• roof peak A building summit formed by the narrowing of an enclosed space at a point or a line.
• roof renovation begins Recladding or reconstruction of a structure's roof is initiated.
• roof renovation ends Recladding or reconstruction of a structure's roof is finished.
• roof with towers A complex roof with prominent peaks or towers.
• roof-mounted billboard A large advertising sign mounted on the top of a structure.
• roofing manufacturer A manufacturer of cladding materials for the upper surface of a building.
• rooftop water tank A large container on a building's roof for supplying water to its plumbing or fire protection system.
• room A unitary space in a structure, bounded by walls, partitions, or boundaries with other rooms.
• rooms Quantities of internal divisions within a built object.
• roped hydraulic Hydraulic elevators with a combination of above-ground cylinders and cables for lifting the cabs.
• rose window A large circular window with tracery, placed in the center of a facade over the entrance.
• rotating ride Any freestanding amusement ride which turns, spins, or swings around a pivot point or axis.
• rotation time The amount of time in which a moving part of a structure rotates or revolves at maximum speed.
• routing Indicators of direction or proximity.
• rowboat rental A place where kayaks, canoes, or any boats propelled manually with oars can be rented.
• rowhouse cluster A row or set of attached homes built together or as part of a single development.
• royal purple An extremely dark shade of purple.
• rubber Flooring made of rubber sheets or tiles.
• rubber storage Space for bulk storage of raw rubber.
• rubble masonry A facade made of uncut stones fitted together loosely or approximately, not in regular courses or patterns.
• rug store Retail space specializing in single-piece floor coverings.
• rugby A rectangular grass field for games of rugby.
• running track A measured track for running and jogging, usually divided into lanes.
• running track A special surface arranged in a loop for running and track events.
• runway A smooth pathway designed for the take-off and landing of airplanes or spacecraft.
• runway access Direct access of persons or materials to an aircraft runway is available.
• russian A primarily ecclesiastical style characterized by square or cross-shaped plans, multiple onion domes, bright colors, and elaborate ornamentation.
• russian restaurant A restaurant specializing in Russian cuisine.

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