ABCDEFGHIJKLMNOPQRSTUVWXYZ0-9
Rochester ... rocket and missile system
Rochester
(from the article "Benny, Jack") ...to Benny's type of humour. In an era of comedy characterized by broad jokes and rapid delivery, his style was subtle and languid. Over the years, he and his cast-including ...
Rochester
city, seat of Olmsted county, southeastern Minnesota, U.S. It lies on the Zumbro River and on several creeks in a mixed-farming region about 75 miles (120 km) southeast of Minneapolis. ... [1 Related Articles]
Rochester
industrial city, seat (1821) of Monroe county, northwestern New York, U.S. It is a St. Lawrence Seaway port on the Genesee River at its outlet into Lake Ontario, 71 miles ... [1 Related Articles]
Rochester
city, Strafford county, southeastern New Hampshire, U.S., on the Cocheco and Salmon Falls rivers, just northwest of Dover. Named for Lawrence Hyde, 1st earl of Rochester, it was incorporated as ...
Rochester
town, Medway unitary authority, historic county of Kent, England, on the River Medway, east of London. In ancient times it was the site of a walled Roman-British town (Durobrivae), situated ...
Rochester cathedral
(from the article "Rochester") The cathedral church has a Norman west front (1125-30) and later Gothic work. The remains of a Norman castle, chiefly a massive keep, overlook the river crossing, and there are ...
Rochester Institute of Technology
private, coeducational institution of higher learning in Rochester, New York, U.S. It includes colleges of business, applied science and technology, liberal arts, science, and engineering. The institute also includes the ...
Rochester, George
(from the article "subatomic particle") The discovery of the pion in 1947 seemed to restore order to the study of particle physics, but this order did not last long. Later in the year Clifford Butler ...
Rochester, Henry Wilmot, 1st Earl of, Viscount Wilmot Of Athlone, Baron Wilmot Of Adderbury
distinguished Cavalier general during the English Civil Wars, who helped Charles II to escape after the Battle of Worcester.
Rochester, John Wilmot, 2nd earl of
court wit and poet who helped establish English satiric poetry. [2 Related Articles]
Rochester, Lawrence Hyde, 1st earl of
influential English statesman who served under Charles II, James II, William III, and Queen Anne.
Rochester, University of
private, coeducational institution of higher learning in Rochester, New York, U.S. The university includes the College of Arts and Science, the School of Engineering and Applied Sciences, Eastman School of ... [1 Related Articles]
Rochford
district, administrative and historic county of Essex, England, bordered on the north by the Crouch estuary and on the south by the Southend-on-Sea urban area on the Thames estuary. The ...
Rochow, Eugene George
(from the article "industrial polymers, major") ...that of a ketone (that is, the polymer chains formed by silicon atoms, with oxygen atoms attached by double bonds), he incorrectly called them silicones, a name that has persisted. ...
rock
in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is comprised and typically form recognizable and ... [27 Related Articles]
rock
form of popular music that emerged in the 1950s. [54 Related Articles]
rock and roll
style of popular music that originated in the United States in the mid-1950s and that evolved by the mid-1960s into the more encompassing international style known as rock music, though ...
rock and roll
(from the article "dance") ...dancer might jump, kick his legs, stretch his arms out to the side or above the head or swing them through the air and might crouch, extend his body, or ...
Rock and Roll Hall of Fame
(from the article "Performing Arts") The year's Rock and Roll Hall of Fame inductees were Grandmaster Flash and the Furious Five, R.E.M., the Ronettes, Patti Smith, and Van Halen. Notable deaths included rock singer Brad ...
rock art
(from the article "African music") The cultures of the "Green Sahara" left behind a vast gallery of iconographic documents in the form of rock paintings, among which are some of the earliest internal sources on ...
rock avalanche
(from the article "landslide") ...fall freely under gravity, and land on a surface from which they bounce and fall farther. Falls of large volume can trap enough air to facilitate the very rapid flow ...
rock barnacle
(from the article "barnacle") ...six pairs of cirri and more or less complete shells. Pedunculate (stalked) forms include the common goose barnacle (genus Lepas), found worldwide on driftwood. Acorn barnacles, also called rock barnacles, ...
rock bass
(from the article "sunfish") ...spots and wavy, bright-blue streaks; the pumpkinseed, or common, sunfish (L., or Eupomotis, gibbosus), a green or bluish fish with an orange belly and a red spot on its ear; ...
rock bolt
in tunneling and underground mining, steel rod inserted in a hole drilled into the roof or walls of a rock formation to provide support to the roof or sides of ... [4 Related Articles]
rock burst
(from the article "seismograph") ...examinations based on seismographic measurements make it possible to estimate the intensity of shocks and, thus, evaluate the possibilities of damage caused by a given amount of dynamite. Rock bursts, ...
rock chamber
(from the article "tunnels and underground excavations") For large rock chambers and also particularly large tunnels, the problems increase so rapidly with increasing opening size that adverse geology can make the project impractical or at least tremendously ...
rock church
(from the article "African architecture") Until the late 19th century, Christian influence on African architecture was minimal, with the remarkable exception of the rock churches of Lalibela, Ethiopia. Following the Islamization of Egypt, the Ethiopian ...
rock climbing
(from the article "Approximate energy expenditure for activity levels") Rock climbing, like hiking, is a widely practiced sport in its own right. The essentials of rock climbing are often learned on local cliffs, where the teamwork of mountaineering, the ...
Rock Cornish
(from the article "poultry processing") Birds bred for poultry production are generally grown for a particular amount of time or until they reach a specific weight. Rock Cornish hens, narrowly defined, are a hybrid cross ...
Rock Creek Butte
(from the article "Blue Mountains") ...6,500 ft (2,000 m); it comprises an uplifted, warped, and dissected lava plateau, above which rise several higher mountain ridges, including Aldrich, Strawberry, and Elkhorn. The highest peak is Rock ...
Rock Creek Park
(from the article "Washington") In 1890 the city acquired Rock Creek Park, one of the largest natural parks within the boundaries of any city in the world. It comprises 1,754 acres (710 hectares) of ...
rock cress
any of the 120 species of the genus Arabis, herbs belonging to the mustard family (Brassicaceae), found throughout the Northern Hemisphere and in mountainous areas of Africa. Some are cultivated ... [1 Related Articles]
rock criticism
(from the article "Rock criticism") Rock criticism was born at that moment in the mid-1960s when rock and roll ceased to be "mere" dance music for teenagers and acquired a sense of itself as art. ...
rock crystal
transparent variety of the silica mineral quartz that is valued for its clarity and total lack of colour or flaws. Vessels and spheres have been carved from large crystals since ... [1 Related Articles]
rock dove
(from the article "columbiform") Nesting colonies of the rock dove (Columba livia) were farmed by Neolithic husbandmen for food, and gradually the process of rearing young in confinement led to the production of domesticated ...
rock drill
(from the article "drilling machinery") The first patented rock drill was invented in 1849 by J.J. Couch of Philadelphia. Its drill rod passed through a hollow piston and was thrown like a lance against the ...
rock drumlin
(from the article "glacial landform") A feature similar to roches moutonnees, rock drumlins are bedrock knobs or hills completely streamlined, usually with steep stoss sides and gently sloping lee sides. Both roches moutonnees and rock ...
Rock Eagle
(from the article "Georgia") ...earth. Some mounds contained human burials and elaborately worked jewelry, pottery, and figurines. Others did not contain burials but were built in the shapes of animals. The best-known of these ...
rock edicts
narrative histories and announcements carved into cliff rock, onto pillars, and in caves throughout India by King Asoka (reigned c. 265-238 BC), the most powerful emperor of the Maurya dynasty ... [5 Related Articles]
rock elm
(from the article "elm") ...smaller distribution, has a gluelike substance in the inner bark, which was formerly steeped in water as a remedy for throat ailments, powdered for use in poultices, and chewed as ...
rock fan
fan-shaped bedrock surface at the foot of a mountain, often where a stream flows out onto a piedmont slope. It is often covered with a thin veneer of alluvium and ...
rock fern
(from the article "cliff brake") The name cliff brake is sometimes used for rock ferns or rock brakes, about four to seven species constituting the genus Cryptogramma, native to Europe, Asia, and the Americas. They ...
rock festival
(from the article "Rock festivals") Rock festivals had their origin in the jazz festivals held in Newport, Rhode Island, and in Monterey, California, in the 1950s. As the folk music revival spread in the early ...
rock flour
(from the article "Karakoram Range") ...for the most part, occurs in the high-altitude zone, the melted waters of seasonal and perpetual snows and glaciers being principal feeders of the rivers. The suspension of pulverized stone, ...
rock fulgurite
(from the article "fulgurite") Rock fulgurites, the other variety, are thin, glassy crusts on rocks. They generally occur on mountain summits, as at Toluca, Mex., and Mt. Thielsen, Oregon.
rock garden
(from the article "gardening") Rock gardens are designed to look as if they are a natural part of a rocky hillside or slope. If rocks are added, they are generally laid on their larger ...
rock glacier
tonguelike body of coarse rock fragments, found in high mountains above the timberline, that moves slowly down a valley. The rock material usually has fallen from the valley walls and ... [1 Related Articles]
rock gunnel
(from the article "gunnel") ...if present, are very small. About eight species are found in the northern regions of the Atlantic and Pacific oceans. They usually live along shores. The species Pholis gunnellus, known ...
Rock Hill
city, York county, northern South Carolina, U.S., near the Catawba River, 26 miles (42 km) south of Charlotte, North Carolina. Established in 1851 as a depot on the Charlotte and ...
rock hind
(from the article "grouper") ...markings, to dark brown or gray brown; the red grouper (Epinephelus morio), another variable Caribbean food fish, usually reddish with pale blotches and about 90 centimetres long; and the rock ...
rock hyrax
(from the article "hyrax") ...are rodentlike in appearance, with squat bodies and plump heads; the neck, ears, and tail are short, as are the slender legs. The bush hyraxes (Heterohyrax) and ...
Rock in Rio
(from the article "Portugal") The year 2004 started off on a strong note in Portugal as the economy slowly began emerging from five quarters of recession and got an extra dose of optimism from ...
Rock Island
city, seat (1833) of Rock Island county, northwestern Illinois, U.S. It lies on the Mississippi River (bridged to Iowa) at the mouth of the Rock River and opposite the island ...
rock magnetism
(from the article "Earth exploration") Magnetic effects result primarily from the magnetization induced in susceptible rocks by the Earth's magnetic field. Most sedimentary rocks have very low susceptibility and thus are nearly transparent to magnetism. ...
rock mechanics
(from the article "mining") ...(2.5 miles) below the surface, pressure becomes so intense that the rock literally explodes. These rock bursts are major limitations to mining at depth. A specialized field of engineering known ...
rock mole
(from the article "tunnels and underground excavations") ...development of sound-wall blasting (to preserve rock strength), treated below under rock chambers, since its importance increases with size of the opening. The second is the American development of rock ...
Rock of Cashel
(from the article "Cashel") town and urban district, County Tipperary, southern Ireland, about 30 miles (50 km) east-southeast of Limerick. The town's landscape is dominated by the 358-foot (109-metre) Rock of Cashel, a limestone ...
rock oil
(from the article "petroleum production") ...throughout recorded history. Other near-surface deposits of liquid petroleum seep slowly to the surface through natural fissures in the overlying rock. Accumulations from these seeps, called rock oil, were used ...
rock opera
(from the article "Who, the") British rock group that was among the most popular and influential bands of the 1960s and '70s and that originated the rock opera. The principal members were Pete Townshend (b. ...
Rock River
nonnavigable stream in the north central United States, rising in Washington County, eastern Wisconsin, and flowing in a generally southwesterly direction to join the Mississippi at Rock Island, Ill. The ...
rock rose
(Cistus), any of a genus of 18 species of low to medium-sized shrubs, in the rock rose family (Cistaceae), native to the Mediterranean region and long known to horticulture. There ... [1 Related Articles]
rock scorpion
(from the article "scorpion") ...bristles (setae) form combs on the legs that increase the surface area and allow them to walk on sand without sinking or losing traction. Lithophilic ("stone-loving") species such as the ...
rock selaginella
(from the article "spike moss") ...is a small forest and bog-side plant in northern North America and Eurasia. Its branches trail along the ground, but the upright yellow-green strobili rise up to 8 cm (about ...
rock shell
(from the article "gastropod") ...canal; proboscis well developed and often extensible; shells generally large; all marine.Murex shells (Muricidae), rock shells (Purpuridae), and coral shells (Coralliophilidae) are common predators, often boring into shells of ...
rock shelter
(from the article "cave") Rock shelters are produced by bedrock erosion in insoluble rocks. A common setting is where a resistant rock such as a sandstone overlies shale or some other relatively weak rock. ...
Rock Springs
city, Sweetwater county, southwestern Wyoming, U.S. The city is located on Bitter Creek, at an elevation of 6,270 feet (1,911 metres) among sagebrush plains and hills, 13 miles (21 km) ...
rock squirrel
(from the article "ground squirrel") ...is one of the smallest of all ground squirrels, weighing 96 to 117 grams (3.4 to 4 ounces) and having a body up to 17 cm (6.7 inches) long and ...
rock steady
(from the article "reggae") ...musicians dramatically slowed the tempo of ska, whose energetic rhythms reflected the optimism that had heralded Jamaica's independence from Britain in 1962. The musical style that resulted, rock steady, was ...
rock stream
(from the article "permafrost") ...of angular fragments of well-jointed, resistant rock. Under such circumstances, solifluction lobes do not often occur, but instead striking sheets or streams of angular rubble form. These are called rock ...
rock tendon
(from the article "tunnels and underground excavations") ...to create resistance to sliding along the joints. For this they are placed promptly after blasting, anchored at the end, tensioned, and then grouted to resist corrosion and to prevent ...
rock tripe
lichen of the genus Umbilicaria, sometimes used as emergency food by soldiers or explorers. It contains about one-third more calories than equal amounts of honey, corn flakes, or hominy; however, ...
rock wallaby
(from the article "wallaby") The six named species of rock wallabies (Petrogale) live among rocks, usually near water. They are prettily coloured in shades of brown and gray and are distinguished by stripes, patches, ...
rock wren
(from the article "rock wren") New Zealand bird belonging to the family Xenicidae (q.v.); also, a true wren of North America (Salpinctes obsoletus; see wren).for more general content related to this topic
rock wren
(from the article "rock wren") New Zealand bird belonging to the family Xenicidae (q.v.); also, a true wren of North America (Salpinctes obsoletus; see wren).
Rock, Chris
American comedian whose popular stand-up routine-which often addressed "racial" matters -led to a successful film career. [1 Related Articles]
Rock, the
(from the article "Monaco") The four sections, or quartiers, of Monaco are the town of Monaco, or "the Rock," a headland jutting into the sea on which the old town is ...
rock-cut temple
(from the article "India") Architecture is perhaps India's greatest glory. Among the most renowned monuments are many cave temples hewn from rock (of which those at Ajanta and Ellora are most noteworthy); the Sun ...
rock-cut terrace
(from the article "river") Rock-cut terraces and depositional terraces can be distinguished by certain properties that reflect their mode of origin. Rock-cut surfaces are usually capped by a uniformly thin layer of alluvium, the ...
rock-cut tomb
(from the article "Aegean civilizations") ...of family vaults. In some regions, such as Messenia and the frontier area of Thessaly, families built small tholos tombs for themselves. The most common type of Mycenaean family tomb, ...
rock-knob landscape
(from the article "Canada") ...generally monotonous landscape, but geologically recent glaciations have had a striking effect on the surface. By stripping off the top, weathered material, they roughened the surface into a type of ...
rockabilly
early form of rock music originated by white performers in the American South, popular from the mid-1950s to 1960, with a revival in the late 1970s. Record reviewers coined the ... [4 Related Articles]
Rockall
isolated granite rock in the North Atlantic Ocean 220 miles (354 km) west of the Outer Hebrides, Scotland. Rockall is about 100 yards (91 metres) in circumference and stands some ...
rockaway
a light, low, four-wheeled, horse-drawn carriage popular in the United States after its introduction at Rockaway, N.J., in 1830. It had a driver's seat built into the body, with the ...
Rockefeller Center
a 12-acre (5-hectare) complex of 14 limestone buildings in midtown Manhattan in New York City, designed by a team of architects headed by Henry Hofmeister, H.W. Corbett, and Raymond Hood. ... [3 Related Articles]
Rockefeller Mountains
(from the article "Byrd, Richard E.") ...of shelf ice fronting the Ross Sea near an indentation in the ice cliff named the Bay of Whales. Flights were made from this base over the Antarctic continent. A ...
Rockefeller University
private coeducational institution in New York, New York, U.S., devoted to research and graduate education in the biomedical sciences. It was founded by industrialist John D. Rockefeller in 1901 as ... [3 Related Articles]
Rockefeller, David
U.S. banker and philanthropist, the youngest of the five sons of John D. Rockefeller, Jr.
Rockefeller, John D.
American industrialist and philanthropist, founder of the Standard Oil Company, which dominated the oil industry and was the first great U.S. business trust. [7 Related Articles]
Rockefeller, John D., III
American philanthropist, eldest of the five sons of John D. Rockefeller, Jr.
Rockefeller, John D., Jr.
American philanthropist, the only son of John D. Rockefeller, Sr., and heir to the Rockefeller fortune, who built Rockefeller Center in New York City and was instrumental in the decision ... [2 Related Articles]
Rockefeller, Laurance S.
American venture capitalist and philanthropist, third of the five sons of John D. Rockefeller, Jr. [1 Related Articles]
Rockefeller, Nelson Aldrich
41st vice president of the United States (1974-77) in the Republican administration of President Gerald Ford, four-term governor of New York (1959-73), and leader of the liberal wing of the ... [2 Related Articles]
Rockefeller, William
U.S. industrialist and financier known, in conjunction with his older brother, John D. Rockefeller, for his role in the establishment and growth of the Standard Oil Company.
Rockefeller, Winthrop
American politician and philanthropist, second youngest of the five sons of John D. Rockefeller, Jr.
rocker arm
(from the article "gasoline engine") Valves for controlling intake and exhaust may be located overhead, on one side, on one side and overhead, or on opposite sides of the cylinder. These are all the so-called ...
rocker press
(from the article "coin") The rocker press represents another variation. The bottom roller (actually a quadrant insert, as in the Taschenwerke) remained stationary; the axis of the upper roller rotated about this lower axis ...
rocket
any of the 90 species of the genus Sisymbrium, of the mustard family (Brassicaceae), weedy plants with yellow flowers that are common in waste areas and fields of the Northern ...
rocket
any of a type of jet-propulsion device carrying either solid or liquid propellants that provide both the fuel and oxidizer required for combustion. The term is also commonly applied to ... [15 Related Articles]
Rocket
pioneer railway locomotive built by the English engineers George and Robert Stephenson. Following the success of the Stockton & Darlington Railway in 1825, the cities of Liverpool and Manchester decided ... [5 Related Articles]
rocket
(from the article "firework") The most popular form of firework, the rocket, is lifted into the sky by recoil from the jet of fire thrown out by its burning composition; its case is so ...
rocket and missile system
any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. [1 Related Articles]