Glossary r


Rayonnant is a term used to a period in the French Gothic architectural style circa 1240-1350. more..

Reflecting pool

A reflecting pool is a structure often used in memorials. more..

Repoussé and chasing

Repoussé is a metalworking technique in which a malleable metal is ornamented or shaped by hammering from the reverse side. more..


A rock is a naturally occurring aggregate of minerals and/or mineraloids. more..

Rock cut architecture

Rock-cut architecture is the practice of creating buildings by carving natural rock. more..


A style of 18th century French art and interior design, Rococo style rooms were designed as total works of art with elegant and ornate furniture, small sculptures, ornamental mirrors, and tapestry complementing architecture, reliefs, and wall paintings. more..

Roman bridge

Roman bridges, built by ancient Romans, were the first large and lasting bridges built. For a list, see Bridges in Rome. more..

Roman theatre

A Roman theatre is a theatre building built by the Romans more..

Rose quartz

Rose quartz is a type of quartz which exhibits a pale pink to rose red hue. more..


A rosette is a round, stylized flower design, used extensively in sculptural objects from antiquity. more..


A rotunda is any building with a circular ground plan, often covered by a dome. more..


Ruby is a light pink to blood red gemstone, a variety of the mineral corundum (aluminium oxide). more..


Rustication is an architectural term that contrasts with ashlar, smoothly finished, squared block masonry surfaces. more..

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