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R F to R Z



diagram of RGB -- additive -- color relationships


RGB - Red green blue. An additive system for representing the color spectrum using combinations of red, green and blue. Used in theatrical lighting and in video display devices.



 Blue + Green = Cyan

Red + Blue = Magenta

Green + Red = Yellow

Blue + Green + Red = White

Also see CMYK, colorblind, color wheel, primary colors, and secondary colors.



drawing of a rhombohedron

rhombohedron - A polyhedron with six two-dimensional faces, each a rhombus.

Also see mathematics, polygon, and vertex.



rhombus - An equilateral parallelogram. Each face of the rhombohedron above is a rhombus. A rhombus's area is the length of one side times the height (the distance between opposite sides). The plural form can be either rhombbuses or rhombbi.

(pr. ROM-bəs)

Also see polygon, quadrilateral, rectangle, rhombohedron, square, trapezium, and trapezoid.



rhopography - A genre comprising representations of trivial bric-a-brac, which may include such things as the remains of a meal, garbage on the floor, etc. Variations on this genre might include Dadaist readymades and works in the Arte Povera style.

Consider this sculpture:




see thumbnail to rightDaniel Spoerri (Swiss, 1930-), Prose Poems, 1959-60, 27 1/.8 x 21 3/.8 x 14 1/4 inches (69.0 x 54.2 x 36.1 cm), Tate Gallery, London -- an actual meal as abandoned on a board. See Fluxus and ontbijt.

Also see detritus.






rhyton - An ancient drinking horn, typically made from pottery or metal, and frequently having a base formed to represent a human or animal head, or a mythological creature. The term rhyton comes from the Greek verb meaning "to run through," and depictions of rhyta on Greek vases show that they were used to aerate wine.

(pr. RI:-tən or RI:-ton)

Among the other types of Greek vases are the alabastron, amphora, hydria, kantharos, krater, kyathos, kylix, lekythos, oinochoe, pelike, phiale, pinax, pithos, and pyxis.



Greece, Rhyton in the shape of a lion, c. 1860-1780 BCE, terra cotta, height 7 1/2 inches, Fine Art Museums of San Francisco, CA.





see thumbnail to leftParthia, Rhyton, 2nd-1st centuries BCE, ivory, Hermitage Museum, St. Petersburg, Russia.



see thumbnail to rightIran, Rhyton terminating in the forepart of a panther, 1st century BCE-1st century CE, Parthian period, silver, mercury gilding, height 10.8 inches (27.5 cm), Metropolitan Museum of Art, NY. See gilding.


see thumbnail to leftGreek (Seleucid), Eastern Seleucid Empire, 50 BCE-50 CE, Stag Rhyton, gilt silver; inlaid glass eyes, height mounted: 10 7/16 x 18 1/8 x diameter (rim) 5 inches (26.5 x 46 x diameter (rim) 12.7 cm), J. Paul Getty Museum, Malibu, CA.


Also see vase and vessel.



rib - A relatively slender, molded masonry arch that projects from a surface. In Gothic architecture, the ribs form the framework of the vaulting.





see thumbnail to rightA Gothic cross vault designed by architect Leon Baptiste Alberti (Italian, 1404-1472). Seen from this oblique point of view, the ribs (or ogives) resemble a drooping X. See a larger view.




see thumbnail to leftThree alternating views of a rib vault in an unidentified Gothic cathedral.



Also see ogive.



ribbed vault - See vault.



ridgepole - In architecture, the horizontal beam at the ridge of a roof, to which the upper ends of the rafters attach.

Also see post and lintel and trabeation.



riffler - A fine, small, usually double-edged and often rounded rasp. The riffler is used in delicate shaping and finishing of a carving. Rifflers are made for work in wood, metal, and stone in a variety of sizes and shapes, some of which are pictured here. Files are generally more finely abrasive than rifflers. Surforms are more like graters.

Also see plaster.



right angle - A 90° angle. The third of the four angles below is a right angle. The first two are obtuse angles. The last is an acute angle.

Perpendicular lines or edges are at right angles to each other. The corners of every square and rectangle are right angles. Sheets of paper are cut, and moldings for picture frames are mitered so that their corners are right angles. A typical cross is formed by the intersection of two line segments at right angles to each other.




right brain - Refers to a theory in which the right side of the brain is the creative side, responsible for art and spatial comprehension, while the left side is responsible for reading, verbal, and mathematical sorts of tasks. Also see multiple intelligence theory.



rinceau - An ornamental design composed of undulating foliate vine motif.

(pr. ran-SOH)



see thumbnail to rightHoward Pyle (American, 1853-1911), page decoration for the "Seven O'Clock" chapter heading of his book, The Wonder Clock, 1887, pen and ink. Howard Pyle founded the "Brandywine School" of illustration. Among his students were N.C. Wyeth, Maxfield Parrish, Violet Oakley, Jessie Willcox Smith and Frank Schoonover.

Also see Art Nouveau.



ripsaw - A long-bladed hand-held saw with teeth designed for cutting wood in the same direction as the grain runs. Ripsaws have chisel-like teeth that plow through the wood. By contrast, the teeth of crosscut saws are pointed to cut wood fibers. Both types of teeth are bent out, or set, to create a kerf that's wider than the blade. Although the ripsaw seen here is a hand saw, ripsaw blades are also available for use in circular saws. Ripping with a hand saw demands a 60 degrees angle, as shown.

Also see hacksaw.



risers - In lost-wax casting, risers are channels through the mold which allow air to escape as molten metal is poured into the mold. Although such channels are also sprues (or rods), other sprues are runners, through which air and gases can escape. Also see rodding.



rivet and riveting - A rivet is a short metal pin or bolt having a head on one end, inserted through aligned holes in two pieces of metal to be joined and then hammered on the narrow end so as to flatten it, forming a second head. Or, as with the kind shown here (commonly available in various sizes at hardware stores), a specialized tool is used to insert the rivet and pull out the pin, widening the end on the far side of the join. Riveting then is a method of joining pieces of metal (often sheets) using rivets.

Also see steel sheet gauges.



rocaille - Small stone and shell motifs in some eighteenth century ornamentation. See the Louvre Museum's works in what it calls the "Rocaille style." French, literally, for "pebble."

(pr. roh-KAH-ee)

Also see Baroque and Rococo.






rod - Physically essential to enabling sight, the photoreceptors on the retina of the eye which are responsive in low light conditions. see thumbnail to rightIn this illustration, the rods and cones are the pink forms shown embedded in the anterior of the retina's surface. The more uniformly thin rods, among the more thickly formed cones.

Also see afterimage, binocular vision, gestalt, Op Art, ophthalmology, optical, optical mixing, perception, and peripheral vision.



rodding - The process of attaching wax rods to the surface of a wax model in lost-wax casting. The rods form the runners and the risers in the mold. In some regions a rod is called a sprue, and rodding is called spruing.




roentgen rays - See x-ray.



Roman or roman - In typography, type fonts based on the characters carved in stone, their thick and thin strokes derived from the writing tools used by scribe in ancient Rome. In its purest form, Roman letters have serifs at the ends of the strokes. Roman type is used in most books, magazines and newspapers.

Also see capital letters.




Roman art



Romanesque - The term Romanesque ("Roman-like") was first used to designate a style of architecture employing Roman (rounded) arches, and had thick, heavy walls, based upon the basilica. The style is pervasive throughout Europe. "Romanesque" also stands for European art in general of the period immediately before the development of the Gothic style. It was the first style to become dominant throughout virtually all of Europe. Some authorities give the designation Romanesque to art produced as early as the seventh century, although others give the eleventh century as the starting point, from which point it was prevalent until it was followed by the Gothic about 1200 . Romanesque art was primarily of and for the Christian church, and it existed in a variety of regional styles. The Romanesque church was characterized by being massive, with rounded arches and barrel vaults, piers rather than columns, and an abundance of arcades. The ribbed groin vault, developed during this period, was to be extremely important in Gothic architecture. Painting, which survives today mainly in illuminated manuscripts, had a decorative, linear quality and showed some Byzantine influence. Fresco and mosaic work were also popular. The period was marked by revival of monumental stone sculpture, which was created in great profusion as architectural ornament and relief, although large figures were seldom found outside niches. Freestanding sculptures were usually small products of the metalworker's art.

(pr. ROH-mə-nesk)

Examples of Romanesque art:


see thumbnail to leftFrance, Christ in Majesty, lintel at the church of Saint-Génis-des-Fontaines, 1019-1020, Romanesque, carved stone relief.





France, Toulouse, St. Sernin, c. 1080-1120, cathedral. see thumbnail to rightAn aerial view photograph of St. Sernin from one angle (the tower dates from 1250; its spire of 1478 belongs to the Gothic period) and from another angle.


see thumbnail to leftA floor plan of St. Sernin.


see thumbnail to rightA photo of the nave of St. Sernin.



see thumbnail to leftAn axonometric projection of the nave of this Romanesque cathedral.



see thumbnail to rightFrench, An Apostle, sculpted as a relief in a niche in St. Sernin, 1090. This figure's solidity and massiveness show references to classical sculpture. Its frontality shows a Byzantine reference, while its massiveness and bulk indicate that it was intended to be seen from a distance.


see thumbnail to leftThe capital of a column at St. Sernin.

See aerial view, apse, axonometric projection, capital, chapel, column, crossing, cruciform, nave, and plan.




see thumbnail to leftFrance, Conques, Tympanum over the entrance to the Abbey Church of Sainte-Foy, mid-11th-12th century, Romanesque. The subject of this tympanum is Christ presiding at the Last Judgment. A photo of Sainte-Foy, as seen from the hills above it, and another of Sainte-Foy's nave.


see thumbnail to rightGermany, Lower Saxony, c. 1160 / 70, Communion Chalice, ("Wilten Chalice"), silver partially gilt, with niello, height 16.7 cm, Kunsthistoriches Museum, Venice. See chalice.



An excavated marble column, Corinthian style capital with its impost block from a late Romanesque cloister, as revealed at the Psalmodi excavation site. See capital, column, impost block, and marble.



Romanitas - The religion of the Roman empire before the supremacy Christianity. The practice of Romanitas was based on imperial dominion.

(pr. roh-MAH-nee-tahs)

Also see Roman art.







rondel or roundel or rondelle - Any circular work of art or other object, or a circular element of a work, design or symbol. Sometimes seen in heraldry, architecture, and iron-work, for instance.






see thumbnail to leftIran, Decorative Roundel, 11th century, gold sheet, wire, formerly set with gemstones, diameter 3 inches (7.7 cm), Cincinnati Art Museum, OH. See Islamic art and jewelry.




see thumbnail to rightFilippo Brunelleschi (Italian, 1377-1446), detail of rondels on the exterior of the Hospital of the Innocents (Ospedale degli Innocenti), 1419, glazed terra cotta, Florence, Italy.


Or, the term may refer specifically to a disk of glass.

Also see kaleidoscope, mandala, rosette, rose window, rotunda, stained glass, and tondo.




rondo - See tondo.



Rorschach test - In psychology, a test in which a person's interpretations of inkblots are analyzed as a measure of personality — "intellectual and emotional functioning and integration." (pr. ROHR-shahk)


see thumbnail to rightAn example.

Although inkblots are invariably symmetrical, making them is largely aleatoric — their images depending greatly upon accident or chance.

Dr. Hermann Rorschach (Swiss psychiatrist, 1884-1922) introduced his test in 1921. Even though its accuracy is questioned, and its continued use has become controversial, it is still employed by psychologists despite serious questions of its utility. Painted versions of inkblots are called blotto paintings.

Related link:

Also see fanciful, fantastic, fantasy, gestalt, oneiric, sign, Surrealism, and symbol.



rosette - An ornament, often painted and / or sculpted, having a circular (radial) arrangement of parts resembling rose petals, more or less.

(pr. ROH-zet)



see thumbnail to leftRosette from the ancient Temple of Jupiter, Capitoline Hill, Rome, from a hand-colored engraving published by Carlo Antonini in 1781, plate 12. The Temple of Jupiter was the principal religious structure of ancient Rome. Although this architectural feature may have been colored in its original state, the colors in this engraving are highly speculative. The enlarged view includes a cross-section of the rosette. This is one of a set of 100 engravings, some of which can be purchased from



see thumbnail to rightRosette from the ancient Temple of the Sun, 17-130 CE, Palmyra, Syria, from a hand-colored engraving published by Carlo Antonini in 1781, plate 3. The Temple of the Sun is also known as the Temple of Baal. Its colonnade is nearly 1.6 km (1 mi) long, with about 1500 Corinthian columns. Although this architectural feature may have been colored in its original state, the colors in this engraving are highly speculative. The enlarged view includes a cross-section of the rosette.



see thumbnail to leftRosette from ancient Roman fragments, from a hand-colored engraving published by Carlo Antonini in 1781, plate 39. Although this architectural feature may have been colored in its original state, the colors in this engraving are highly speculative. The enlarged view includes a cross-section of the rosette.



see thumbnail to rightRosette from ancient Roman fragments, from a hand-colored engraving published by Carlo Antonini in 1781, plate 46. Although this architectural feature may have been colored in its original state, the colors in this engraving are highly speculative. The enlarged view includes a cross-section of the rosette.



see thumbnail to leftRosette from ancient Roman fragments, from a hand-colored engraving published by Carlo Antonini in 1781, plate 49. Although this architectural feature may have been colored in its original state, the colors in this engraving are highly speculative. The enlarged view includes a cross-section of the rosette.





see thumbnail to rightJordan, Rosette from the Palace of Mschatta, mid-8th century, limestone relief, Museum für Islamische Kunst, Berlin. The design of this of architectural ornament incorporates elements from ancient traditions, and includes acanthus leaves and strings of pearls. See Islamic art.



see thumbnail to leftIndia, Mughal dynasty, Shamsa (Rosette) bearing the name and titles of the Emperor Shah Jahan (reigned 1628-58), illuminated page, 17th century, ink, colors, and gold on paper, 15 3/16 x 10 7/16 inches (38.6 x 26.5 cm, Metropolitan Museum of Art, NY. A shamsa (literally, sun) is a form of illuminated bookplate, that traditionally opened imperial Mughal albums. Here, the center of the design is a calligraphic pattern intertwining the official imperial name and titles of Shah Jahan.



see thumbnail to rightRosette from the Palazzo Borghese, Rome, 1590, from a hand-colored engraving published by Carlo Antonini in 1781, plate 32. Although this architectural feature may have been colored in its original state, the colors in this engraving are highly speculative. The enlarged view includes a cross-section of the rosette.



see thumbnail to leftRosette from the Villa Borghese, Rome, 1590, from a hand-colored engraving published by Carlo Antonini in 1781, plate 34. Although this architectural feature may have been colored in its original state, the colors in this engraving are highly speculative. The enlarged view includes a cross-section of the rosette.



see thumbnail to rightRosette from the Villa Albani, Rome, 1760, from a hand-colored engraving published by Carlo Antonini in 1781, plate 31. Although this architectural feature may have been colored in its original state, the colors in this engraving are highly speculative. The enlarged view includes a cross-section of the rosette.



see thumbnail to leftJohn H. Duncan (American), Rosette, detail of the Soldiers and Sailors Monument, c. 1885, New York, NY. Dedicated to Union servicemen who died for their country in the American Civil War. See monument.




see thumbnail to rightDexter Schierenbeck (American, 1921-), Rosette for Descendants of the Signers of the Declaration of Independence (top); Rosette for the University of Pennsylvania Trustees Council; and Rosette for Northwestern University, textile, each is comparable in size to a button. In early 19th century France, a solid red rosette identified the wearer as a member of Napoleon's Legion of Honor. The custom came to the United States in the late 1800's. Typically the members of the various organizations which distribute such rosettes wear them only to official gatherings, because wearing them on other occasions might be considered pretentious.


Also see boss, compass rose, mandala, rose window, rondel or roundel, and tondo.



rose window - Large circular windows, with a radially balanced design of tracery and stained glass found in Gothic cathedrals. Also called a wheel window.





see thumbnail to rightFrance, Rose Window of St. Denis Abbey Church, interior view, 1137-1144, near Paris. St. Denis is the burial place of the kings of France.



see thumbnail to leftFrance, Rose Window of the Cathedral of Notre Dame of Paris, interior view.


see thumbnail to rightExterior view showing the fine stone tracery.

Work on this cathedral began in 1163 and was completed 1345. See architecture.



see thumbnail to leftBernard de Soissons (French, 13th century), the Rose Window on the front facade of Notre Dame de Reims, exterior view. The cathedral was begun in 1210, added to and modified during many periods since. See a view of the entire front facade.



see thumbnail to rightFrance, the Rose Window of the North Transept of Chartres Cathedral, c. 1221. See labyrinth.



see thumbnail to leftEngland, the Rose Window of Yorkminster, interior view. The stonework in this rose window dates from 1240. The glass was added in the 1480s to honor England's Tudor royal family.



see thumbnail to rightLouis Comfort Tiffany (American, 1848-1933), the Rose Window of First Unitarian Church of Cincinnati, 1900, located in the front of the church's sanctuary. Along the periphery at the seven virtues of Truth, Love, Patience, Freedom, Righteousness, Courage, and Justice. See a photo of this window in situ.


Related links:

Also see fenestration, mandala, rosette, and roundel.




rosin - See resin and paper.

(pr. RAH-zən)



rottenstone - A soft, decomposed limestone. In powder form, rottenstone is used to clean and polish photographs for retouching.

Also see abrasive.




rotulus - A long manuscript scroll. Rotuli were used by the Egyptians, Greeks, and Romans, among others. There were predecessors to codices in the evolution of books.



rotunda - In architecture, a round building, hall, or room, usually with a domed ceiling. The entrances of public buildings, such as museums, are often of this shape.



rouge - A reddish powder or compound, chiefly ferric oxide, used to polish metals or glass.



rouge paper - Red paper, similar to carbon paper. It is used for transferring drawings, the red marks easily removed.

Also see copy, tracing, and transfer paper.




roundel - See rondel.



round, sculpture in the - Sculpture which is free-standing and fully developed from all points of view.

Also see relief and statue.



roving - A light rope made of loosely bonded glass fiber, used as reinforcement for resin sculpture.



Royal Academy or Royal Academy of Arts (RA) - In 1769, under the patronage of Britain's King George III, the Royal Academy met for its first session. The official title of this elite institution is "Royal Academy in London for the Purpose of Cultivating and Improving the Arts of Painting, Sculpture, and Architecture," but most people who know it, including its members, simply call it "The R.A." The painters among the R.A.'s founding members were its first president, Sir Joshua Reynolds (1723-1792), the portraitist Thomas Gainsborough (1727-1788), the landscapist Richard Wilson (1713/14-1782), and Benjamin West (1738-1820), an American of the colonial period, who became president upon Reynolds' death. Members of the Royal Academy of Arts (RA) are known as "associates", or more formally, "Associate of the Royal Academy" (ARA), and often place the initials "ARA" after their signatures. The Royal Academy owns a collection of masterful works produced by its members since the 18th century, and displays this collection in its galleries.

Also see academy, artists' organizations, English art, history painting, Neoclassicism, and Romanticism.




rubbing - See abrasive and frottage.



rubbing compound - An abrasive paste used to rub down the surface of a resin sculpture to give it a polished finish.



Rube Goldberg - Refers to any device reminiscent of those drawn by American cartoonist Reuben (Rube) Goldberg (1883-1970). Each of Goldberg's inventions typically accomplished some task by an extraordinarily complicated and humorous means. Published as the "Crazy Inventions" in American newspapers, his drawings pictured an assemblage of ordinary objects, mechanical gadgets, and the oddest odds and ends linked together to perform simple operations. A "Rube Goldberg device" then, must be an incredibly impractical scheme or contraption, accomplishing by complex means what could have been done quite simply.

Related resources:

Also see absurd, incongruity, signature, and technology.



Rubénisme - The doctrine that color, rather than form, was the most important element in painting. A movement in seventeenth century France which highly valued the coloristic brilliance and painterly style of Peter Paul Rubens (Flemish, 1577-1640), in reaction to Poussinisme, which highly valued the prominence of drawing and the linear style of Nicolas Poussin (French, 1593/94-1665). Rubens, Poussin, the Rubénistes, and the Poussinistes were all active during the Baroque period of art.

Here are examples of paintings by Rubens:



see thumbnail to rightPeter Paul Rubens (Flemish, 1577-1640), The Three Graces, oil on wood panel, (221 x 181 cm), Prado Museum, Madrid.



Peter Paul Rubens, Isabella Brant, c. 1620, oil on wood panel, Cleveland Museum of Art.




see thumbnail to leftPeter Paul Rubens, Bacchus, 1638/40, oil on canvas (transferred from panel), 75 x 63 1/2 inches (191 x 161.3 cm), Hermitage Museum, St. Petersburg, Russia.



see thumbnail to rightJacob Jordaens (Flemish, 1593-1678), The Bean King, c. 1638, oil on canvas (transferred from old canvas), 62 x 83 inches (160 x 213 cm), Hermitage Museum, St. Petersburg, Russia.


Here are examples of paintings by Poussin, and the leader of the Poussinistes, Charles Lebrun:


see thumbnail to leftNicolas Poussin (French, 1593/94-1665), Parnassus, oil on canvas, 145 x 197 cm, Prado Museum, Madrid. Also see Poussinisme.



see thumbnail to rightNicolas Poussin, Arcadian Shepherds (Et in Arcadia Ego), aka Les Bergers d'Arcadie, Louvre.

This painting has special significance to those who are interested in the theories propounded in the recent best-selling novel The Da Vinci Code, and elsewhere, concerning the (supposed) truth about the Holy Grail (or Sangre Royal ) a secret kept by the Knights Templar and a mysterious society called the Priory of Zion, or Prieure de Sion. The Priory is said to have been headed at various times by such men as Jacques DeMolay, Leonardo da Vinci, Isaac Newton, Claude Debussy, and Jean Cocteau. Poussin is said to have been one of this society's members, and to have left a clue in this painting. The mountains in the painting are said to represent a range seen near the village of Arques, in the region of Languedoc. One of the shepherds in it points to words carved into a tomb: "Et in Arcadia Ego" . . . In Arcadia I am. The tomb is said to have actually existed near Arques, but it is no longer there, having been suddenly demolished in the late 1960's under mysterious circumstances. The reason: supposedly people were too close to learning the truth of the mystery of the Holy Grail . . . the Sangre Royal. The secret that many powerful people do not want you to know: descendants of a child begat by Christ and Mary Magdalene either lived or continue to live in France to this day.



see thumbnail to leftCharles Lebrun (French, 1619-1690), Alexander and Porus, 1673, oil on canvas.




rugosity - A surface texture that is wrinkled, creased, or ridged.

(pr. roo-GAH-sə-tee)

Generally unwanted in paintings, rugosity can develop for any of several reasons, although it is much less likely to occur while using good quality artist's materials. Likely causes include:

  1. The paint puddled or was applied too thickly.

  2. A later coat was applied before an earlier one dried. An upper layer of paint can move as the paint underneath (a primer, perhaps) is drying.

  3. The paint was applied while the temperature of the environment was too hot. (Could it be that the paint or the support was too hot? Interesting!)

Also see boss, dent, emboss, fluted, fold, kerf, permanence, pleat, and repoussé.



rule of compensation - A guideline for balancing a composition that states that the bigger the mass, the more toward the center of an artwork it should be placed. Similarly, the smaller the mass, the more toward the edge it should be placed.



runner - In lost-wax casting, a channel in the mold through which the molten metal flows into the mold from a funnel or runner cup. Channels are made by attaching wax rods to a wax model prior to investment. When the mold is full, the runners fill with metal too. They must then be sawn off and filed. Occasionally they have been incorporated into the design of the final work, and not sawn off. A common example is the tang descending from the base or lowest portion of a sculpture, which is employed to secure the sculpture to its pedestal.

Also see risers, rodding, and sprue.



rush - Rush is a paper material which resembles a rope or cord. It has a distinctive helical twist to it and can be unraveled. Rush was developed in the late 19th century as a substitute for rattan in wicker furniture, occasionally called paper fiber reed wicker. Sometimes a wire core is added to rush to increase its strength. A woven fabric of rush, called Lloyd loom paper fiber rush has been available since the early 20th century, largely used in the manufacture of wicker furniture. Alternatives to rush might include Oriental seagrass and Danish cord.




see thumbnail to rightWarrington Taylor (English), for Morris & Company, Sussex chair, c.1886, ebonized oak with woven rush seats, 33 x 16 x 14 inches. See Arts and Crafts Movement.




see thumbnail to leftTom Dixon (contemporary), manufactured by Cappellini S.p.A., Arosio, Italy, S Chair, 1991, rush and steel, 40 3/8 x 19 1/4 x 22 7/8 inches (102.6 x 48.9 x 58.1 cm), Museum of Modern Art, NY.


Also see basket, bamboo, cane, design, fiber, raffia, reed, and wood.




Russian art



rust - A brown or reddish-brown oxide which forms on iron by corrosion, caused most commonly by exposure to water. A common source of brown pigments.

Here are some digitally-simulated rusted surfaces:

Also see earth colors, finish, galvanize, neutral, patina, sheet metal, steel, surface, and texture.



rustic - Typical of country life or country people. Lacking sophistication or elegance.

Examples of rustic imagery:



see thumbnail to rightRembrandt Harmensz. van Rijn (Dutch, 1606-1669), Cottage among Trees, 1648-50, pen and brown ink, brush and brown washes, on paper washed with brown, 6 3/4 x 10 7/8 inches (17.1 x 27.6 cm), vertical strip 6 3/4 x 1 1/4 inches (17.2 x 3.2 cm) added by artist to the sheet at right, Metropolitan Museum of Art, NY. See Baroque.



see thumbnail to leftJacob van Ruisdael (Dutch, 1628-1682), Dune Landscape with Oak Tree, 1650-55, black chalk, brush and gray wash and gouache, framing lines in pen and brown ink, 8 1/4 x 7 1/2 inches (21.0 x 19.1 cm), Metropolitan Museum of Art, NY.



see thumbnail to rightHeneage Finch, Fourth Earl of Aylesford (English, 1751-1812), In Wales 1795, etching on paper, image 8.4 x 17.5 cm, Tate Gallery, London.



see thumbnail to leftJohn Sell Cotman (English, 1782-1842), A Farmhouse, watercolor on paper, 15.0 x 22.0 cm, Tate Gallery, London.


See buckeye, calendar painting, folk art, Hudson River school, nostalgia, pastoral, picturesque, primitive, and sacral-idyllic scene.



rusticate - In architecture, to give an eroded or rustic appearance by roughening the surface and beveling the edges of stone blocks to emphasize the joints between them. A technique popular during the Renaissance, especially for stone courses at the ground-floor level.

(pr. RU-stə-kayt)





see thumbnail to leftRoman, Porta Maggiore, a detail of rusticated masonry.



see thumbnail to rightMichelozzo di Bartolommeo (Italian architect), Palazzo Medici-Riccardi, begun 1444. The ground-floor of this urban palace was constructed with deeply rusticated masonry, giving it the look of an old fortress.


see thumbnail to leftThe second story of the Palazzo Medici-Riccardi has a much smoother texture, as you can see in comparing it to the first story. Its third story is the smoothest of the three.




Also see Cyclopean.






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