Front Range, easternmost section of the Southern Rocky Mountains in the west-central United States. It extends about 300 miles (500 km) south-southeastward from near Casper in southeastern Wyoming to Fremont county in south-central Colorado. The Front Range is 40 to 50 miles (65 to 80 km) wide and

Maloti Mountains: …Maloti Mountains is properly the Front Range of the Maloti, sometimes called the Blue Mountains. It is a broad southwesterly spur from the Drakensberg Range near the northern tip of Lesotho and a few miles from its highest point, Mont aux-Sources. The Front Range is extended almost to Lesotho’s southwestern…

Hugh Jackman: Later roles: He then starred in The Front Runner (2018), the true story of former U.S. senator Gary Hart, whose 1988 presidential bid ended amid news reports alleging that he was having an extramarital affair. In 2019 Jackman voiced a British adventurer in the stop-motion animated film Missing Link and starred…

tooth: Tooth form and function: …thus made up of four incisors, two canines, four premolars, and six molars in each jaw.

vowel: A front vowel is pronounced with the highest part of the tongue pushed forward in the mouth and somewhat arched. The a in “had,” the e in “bed,” and the i in “fit” are front vowels. A back vowel—e.g., the u in “rule” and the o…

Woody Allen: The 1970s: …performance as the protagonist in The Front (1976), Martin Ritt’s fine drama about Hollywood blacklisting, Allen made Annie Hall (1977), a breakthrough work that dramatically elevated his status as a filmmaker. An elliptical account of the rise and fall of a romance between the quirky title character (played by Keaton)…

front-loading, in U.S. politics, the moving up of presidential primaries and caucuses by states, thereby increasing their influence in the selection of a party’s candidate. As a result, presidential nominees are often determined early in the election year. The Iowa caucuses are traditionally held

automobile: European postwar designs: Front-wheel-drive had largely been abandoned after the 1930s, although the French had great success with the “Traction Avant” Citroën. Swedish aircraft manufacturer Saab AB used it too, for its entry into the automobile market in 1950. It was the British Mini, designed by Sir Alec…

skull: …of the cranium, and the frontal bone forms the forehead; the cranial floor consists of the sphenoid and ethmoid bones. The facial area includes the zygomatic, or malar, bones (cheekbones), which join with the temporal and maxillary bones to form the zygomatic arch below the eye socket; the palatine bone;…

human nervous system: Executive functions of the frontal lobes: The frontal lobes are the part of the brain most remote from sensory input and whose functions are the most difficult to capture. They can be thought of as the executive that controls and directs the operation of brain systems dealing with cognitive…

fog: Frontal fog forms near a front when raindrops, falling from relatively warm air above a frontal surface, evaporate into cooler air close to the Earth’s surface and cause it to become saturated.

temperature inversion: A frontal inversion occurs when a cold air mass undercuts a warm air mass and lifts it aloft; the front between the two air masses then has warm air above and cold air below. This kind of inversion has a considerable slope, whereas other inversions are…

human nervous system: Executive functions of the frontal lobes: The frontal lobes are the part of the brain most remote from sensory input and whose functions are the most difficult to capture. They can be thought of as the executive that controls and directs the operation of brain systems dealing with cognitive…

lobotomy, surgical procedure in which the nerve pathways in a lobe or lobes of the brain are severed from those in other areas. The procedure was formerly used as a radical therapeutic measure to help grossly disturbed patients with schizophrenia, manic depression and mania (bipolar disorder), and

human nervous system: Ophthalmic nerve: …the nose, and (3) the frontal nerve, serving the skin on the upper eyelid, the forehead, and the scalp above the eyes up to the vertex of the head.

human respiratory system: The nose: …is the largest cavity; the frontal sinus; the ethmoid sinuses; and the sphenoid sinus, which is located in the upper posterior wall of the nasal cavity. The sinuses have two principal functions: because they are filled with air, they help keep the weight of the skull within reasonable limits, and…

front, in meteorology, interface or transition zone between two air masses of different density and temperature; the sporadic flareups of weather along this zone, with occasional thunderstorms and electrical activity, was, to the Norwegian meteorologists who gave it its name during World War I,

Canada: The Great Lakes–St. Lawrence lowlands: …of the Canadian Shield, the Frontenac Axis, which extends across the St. Lawrence River to form the Thousand Islands.

Château Frontenac, château-style hotel in historic Old Québec, built by the Canadian Pacific Railroad Company in 1893 and designed by American architect Bruce Price. The Château Frontenac is an excellent example of the grand hotels developed by railway companies in Canada in the late 1800s.

Louis de Buade, comte de Frontenac: …had founded a fur-trading post, Fort Frontenac, on Lake Ontario. Shortly afterward he became associated with the French explorer René-Robert Cavelier, sieur de La Salle, who, with Frontenac’s support, obtained royal consent to continue the explorations of Louis Jolliet down the Mississippi River to its mouth. La Salle took advantage…

Louis de Buade, comte de Frontenac was a French courtier and governor of New France (1672–82 and 1689–98) who, despite a record of misgovernment, managed to encourage profitable explorations westward and to repel British and Iroquois attacks on New France. Frontenac’s father, Henri de Buade, was

Ed Harris: …accidentally killed in the drama Frontera (2014) and a Brooklyn crime boss intent on eliminating a former henchman (Liam Neeson) in the action-packed Run All Night (2015).

Villa Frontera, city, east-central Coahuila estado (state), northeastern Mexico. It is on the Salado River, 1,926 feet (587 metres) above sea level, northwest of Monterrey. In the 20th century the city grew from a small rail junction to an important communications and industrial centre. Cereals

Carlos Fuentes: …novela en nueve cuentos (The Crystal Frontier: A Novel in Nine Stories), a tale of nine lives as they are affected by a powerful and unscrupulous man. Among Fuentes’s other works of fiction are La cabeza de la hidra (1978; The Hydra Head), Una familia lejana (1980; Distant Relations),…

Italian literature: The return to order: …the Florentine literary reviews Solaria, Frontespizio, and Letteratura, while having to tread carefully with the authorities, provided an outlet for new talent. Carlo Emilio Gadda had his first narrative work (La Madonna dei filosofi [1931; “The Philosophers’ Madonna”]) published in Solaria, while the first part of his masterpiece, La cognizione…

United Kingdom: Army and frontier: …Wall was the most impressive frontier work in the Roman Empire. Despite a period in the following two reigns when another frontier was laid out on the Glasgow–Edinburgh line—the Antonine Wall, built of turf—the wall of Hadrian came to be the permanent frontier of Roman Britain. The northern tribes only…

Martha Graham: Early life and works: …those for the now historic Frontier (1935), a solo dance, and Primitive Mysteries, written for Graham and a company of female dancers.

adelantado: …the frontiers, becoming known as frontier adelantados (adelantados fronterizos), and figured prominently in the military conquest of the Americas. In the 16th century the office was replaced by that of alcalde (magistrate).

Cheyenne: Frontier Days, featuring one of America’s oldest and largest rodeos, is a six-day celebration held each July, recalling the spirit of the Wild West and the cattle kingdom days. Among the city’s attractions are the Cheyenne Botanic Gardens, and the city is home to the…

James Kirke Paulding: …1831; first published 1954), introduced frontier humour to the stage by depicting a character resembling Davy Crockett and helped during the 1830s to contribute to the growing legend of Crockett. His Life of Washington (1835) illustrates Paulding’s Americanism. Plain, even at times vulgar in style, he yet possessed a playful…

Frederick Jackson Turner: …best essays were collected in The Frontier in American History (1920) and The Significance of Sections in American History (1932), for which he was posthumously awarded the Pulitzer Prize in 1933. In these writings Turner promoted new methods in historical research, including the techniques of the newly founded social sciences,…

Kentucky: Health and welfare: …care in Kentucky is the Frontier Nursing Service, founded in 1925, which provides general nursing and obstetric service in the isolated mountain area of eastern Kentucky. A variety of programs throughout the state provide care for the elderly and the handicapped. Most social welfare programs are administered from the county…

Frederick Jackson Turner: … best known for the “frontier thesis.” The single most influential interpretation of the American past, it proposed that the distinctiveness of the United States was attributable to its long history of “westering.” Despite the fame of this monocausal interpretation, as the teacher and mentor of dozens of young historians,…

Battle of the Frontiers, collective name for the first great clashes on the Western Front of World War I, which occurred from August 4 to September 6, 1914. The term Battle of the Frontiers encompasses the initial battles fought along the eastern frontier of France and in southern Belgium shortly

Sextus Julius Frontinus was a Roman soldier, governor of Britain, and author of De aquis urbis Romae (“Concerning the Waters of the City of Rome”), a history and description of the water supply of Rome, including the laws relating to its use and maintenance and other matters of importance in the

Marcus Cornelius Fronto was a prominent Roman orator, rhetorician, and grammarian whose high reputation—equal in ancient times to those of Cato, Cicero, and Quintilian—was based chiefly on his orations, all of which are lost. His most famous lost speech is Against the Christians, which was answered

jai alai: The court and the fronton: The entire plant is the fronton; some Basque frontons date from as early as 1785. The game is played professionally in 10 frontons in Spain: 5 in the Basque country, of which the one in Guernica is the finest; 2 in Barcelona; and one each in Palma de Mallorca, Zaragoza,…

Marcus Cornelius Fronto: …number of followers, called the Frontoniani. Modern evaluations of Fronto’s mastery of language are based on the information contained in the Noctes Atticae of Aulus Gellius, a member of Fronto’s circle; on a collection of Fronto’s letters (principally to Marcus Aurelius and Lucius Verus); and on miscellaneous pieces discovered with…

Chris Froome is a Kenyan-born British cyclist who was a four-time winner of the Tour de France (2013, 2015, 2016, and 2017). Froome was born in Nairobi to British parents who later divorced when his father filed for bankruptcy. He and his mother, who encouraged his riding, moved to South Africa,

Chris Froome is a Kenyan-born British cyclist who was a four-time winner of the Tour de France (2013, 2015, 2016, and 2017). Froome was born in Nairobi to British parents who later divorced when his father filed for bankruptcy. He and his mother, who encouraged his riding, moved to South Africa,

Frosinone, city, Lazio (Latium) regione, central Italy, on a hill above the Cosa River, on the Via Casilina. It originated as Frusino, a town of the ancient Volsci people, and became a colonia (colony) of the Roman Empire. There are traces of ancient walls and a Roman amphitheatre, but Frosinone,

Jostein Gaarder: …in 1987 and Froskeslottet (The Frog Castle) in 1988. In both books Gaarder set a fantasy world against the real world, giving the central characters the opportunity to explore and question ideas and values. In 1990 came Kabalmysteriet (The Solitaire Mystery), featuring a boy, Hans Thomas, and his father…

frost, atmospheric moisture directly crystallized on the ground and on exposed objects. The term also refers to the occurrence of subfreezing temperatures that affect plants and crops. Frost crystals, often called hoarfrost in the aggregate, form when the invisible water vapour of the atmosphere

Frost at Midnight, poem by Samuel Taylor Coleridge, published in Lyrical Ballads (1798), in which Coleridge pioneered a new, informal mode of poetry unified by conversational tone and rhythm. In the winter of 1798 Coleridge composed the four-stanza poem in the presence of his sleeping infant son,

rime: …the wind and are called “frozen fog deposits,” or “frost feathers.” Rime is composed of small ice particles with air pockets between them; this structure causes its typical white appearance and granular structure. Because of the rapid freezing of each individual supercooled droplet, there is relatively poor cohesion between the…

permafrost: Permafrost thawing and frost heaving: …displacement of the ground (frost heaving), and in the summer excessive moisture in the ground brought in during the freezing operation causes loss of bearing strength. Frost action is best developed in silt-sized and silty clay-sized sediments in areas of rigorous climate and poor drainage. Polar latitudes are ideal…

Frost Medal, annual poetry award presented by the Poetry Society of America in recognition of the lifetime achievements of an American poet. The medal was first awarded in 1930. The award was originally called the Gold Medal for Distinguished Achievement, but the name was later changed to honour

frost point, temperature, below 0° C (32° F), at which moisture in the air will condense as a layer of frost on any exposed surface. The frost point is analogous to the dew point, the temperature at which the water condenses in liquid form; both the frost point and the dew point depend upon the

cryoseism, the sudden fracturing of soil or rock caused by rapid freezing of water in saturated ground. Such seismic events are sometimes mistaken for true earthquakes because they produce seismic vibrations, loud booms, jolts, and shaking at the ground surface. Cryoseisms may also occur in polar

iceberg: Antarctic icebergs: This phenomenon, known as frost wedging, caused the shelf to splinter in several places and brought about the disintegration of the shelf.

A.B. Frost was an American illustrator, famous for his drawings of Uncle Remus, Brer Rabbit, and other characters created by Joel Chandler Harris, an American writer of Southern dialect folktales. In his teens Frost learned something of wood engraving and lithography before moving to New York,

A.B. Frost was an American illustrator, famous for his drawings of Uncle Remus, Brer Rabbit, and other characters created by Joel Chandler Harris, an American writer of Southern dialect folktales. In his teens Frost learned something of wood engraving and lithography before moving to New York,

John Frost was a hero of Chartism (the first mass political reform movement) and leader of the Newport rising of November 4, 1839, in which about 20 Chartists were killed by troops. A prosperous draper and tailor in Newport, Frost served as a member of Newport’s first elected town council (from

Twin Peaks: Twin Peaks was created by Mark Frost and David Lynch (director of the motion picture Blue Velvet [1986]), the latter already well known for making strange films with macabre motifs. The show began with the discovery of the body of a murdered teenage prom queen, Laura Palmer (played by Sheryl…

human intelligence: Cognitive theories: Hunt, Nancy Frost, and Clifford E. Lunneborg, who in 1973 showed one way in which psychometrics and cognitive modeling could be combined. Instead of starting with conventional psychometric tests, they began with tasks that experimental psychologists were using in their laboratories to study the basic phenomena…

Simon Pegg: Career: Pegg’s real-life best friend, actor Nick Frost, appeared in the series as Bisley’s best friend, Mike Watt. Frost would go on to perform in many of Pegg’s projects, often in the best friend role. Overlapping with Spaced, Pegg appeared on the sketch comedy show Big Train (1998–2002), for which he…

Robert Frost was an American poet who was much admired for his depictions of the rural life of New England, his command of American colloquial speech, and his realistic verse portraying ordinary people in everyday situations. He was the most highly honored American poet of the 20th century,

Robert Frost was an American poet who was much admired for his depictions of the rural life of New England, his command of American colloquial speech, and his realistic verse portraying ordinary people in everyday situations. He was the most highly honored American poet of the 20th century,

Julia Marlowe was an English-born American actress, one of the great romantic actresses of her day, known especially for her interpretations of William Shakespeare. Her family immigrated to the United States in 1870, and at the age of 11 she toured the Midwest in a juvenile production of Gilbert

Sir David Frost was an English talk-show host, journalist, and writer who was noted for his interviews of public figures, notably former U.S. president Richard Nixon, who, under Frost’s skillful questioning, apologized for the Watergate scandal. Frost studied history at the University of Cambridge,

Sir David Frost was an English talk-show host, journalist, and writer who was noted for his interviews of public figures, notably former U.S. president Richard Nixon, who, under Frost’s skillful questioning, apologized for the Watergate scandal. Frost studied history at the University of Cambridge,

growing season, period of the year during which growing conditions for indigenous vegetation and cultivated crops are most favourable. It usually becomes shorter as distance from the Equator increases. In equatorial and tropical regions the growing season ordinarily lasts all year, whereas in

Michael Grandage: …The Cut as well as Frost/Nixon, a play written by Peter Morgan that dramatized the 1977 television interviews in which British writer and broadcaster David Frost induced former U.S. president Richard Nixon (played by Frank Langella) to express regret for the Watergate scandal. In 2007 Grandage directed three of the…

Ron Howard: In 2008 Howard directed Frost/Nixon, about the interviews between British television personality David Frost and U.S. Pres. Richard M. Nixon after the latter resigned from office. His efforts earned him an Academy Award nomination for best director. In 2011 Howard returned to comedy with The Dilemma, about a man…

frostbite, a freezing of living tissue; frostbite occurs whenever heat loss from a tissue is sufficient to permit ice formation. The freezing-thawing process causes mechanical damage to cells (from ice), tissue dehydration, and local oxygen depletion. If not relieved, these conditions lead to

frosted bat, any of certain bat species of the family vesper bat

Frostie, a Hereford-Friesian calf, the first calf produced from an embryo that was frozen, thawed, and implanted into a surrogate cow. Frostie, born in 1973 and popularly called the “frozen calf,” was the product of cryopreservation research conducted by British developmental biologist Ian Wilmut.

Gene Autry: …Red-Nosed Reindeer” (1949), and “Frosty the Snow Man” (1950). In 2024 the U.S. Library of Congress added his recording of “Rudolph the Red-Nosed Reindeer” to the National Recording Registry, a list of audio recordings deemed “culturally, historically, or aesthetically significant.”

froth flotation, separation of minerals differing little in density but greatly in wettability by surfactants that stabilize a froth formed on the surface of an agitated suspension of the minerals in water. See

frog and toad: Egg laying and hatching: The result is a frothy mixture of water, air, eggs, and semen, which floats on the water. This meringuelike nest is about 7.5 to 10 cm (3 to 4 inches) in diameter and about 5 cm (2 inches) deep. The outer surfaces exposed to the air harden and form…

froth flotation, separation of minerals differing little in density but greatly in wettability by surfactants that stabilize a froth formed on the surface of an agitated suspension of the minerals in water. See

vegetable processing: Freezing: …by either brine flotation or froth washing. In both methods the sound corn stays at the bottom while the impurities float off the tank. Whole-kernel corn can be frozen quickly using the individually quick-frozen method. Frozen corn can be packaged into polyethylene bags or cardboard cartons and labeled for retail,…

frottage, (French: “rubbing”), in visual arts, technique of obtaining an impression of the surface texture of a material, such as wood, by placing a piece of paper over it and rubbing it with a soft pencil or crayon, as for taking brass rubbings; the name is also applied to the impression so

frottola, Italian secular song popular in the late 15th and early 16th centuries. Usually the frottola was a composition for four voice parts with the melody in the top line. Frottole could be performed by unaccompanied voices or by a solo voice with instrumental accompaniment. The frottola had

frottola, Italian secular song popular in the late 15th and early 16th centuries. Usually the frottola was a composition for four voice parts with the melody in the top line. Frottole could be performed by unaccompanied voices or by a solo voice with instrumental accompaniment. The frottola had

Froude number (Fr), in hydrology and fluid mechanics, dimensionless quantity used to indicate the influence of gravity on fluid motion. It is generally expressed as Fr = v/(gd)12, in which d is depth of flow, g is the gravitational acceleration (equal to the specific weight of the water divided by

James Anthony Froude was an English historian and biographer whose History of England from the Fall of Wolsey to the Defeat of the Spanish Armada, 12 vol. (1856–70), fundamentally altered the whole direction of Tudor studies. He was immensely prolific, producing also novels and essays. Froude was,

Richard Hurrell Froude was an Anglican churchman and a leader of the Oxford Movement, which sought to reintroduce High Church, or “catholic,” thought and practice into the Church of England. Froude was educated at Oriel College, Oxford (B.A., 1824; M.A., 1827), where he met John Keble, and was

William Froude was an English engineer and naval architect who influenced ship design by developing a method of studying scale models propelled through water and applying the information thus obtained to full-size ships. He discovered the laws by which the performance of the model could be

taffeta: …and a rustle known as scroop, or froufrou. It is used for evening dresses and for underskirts for couture dresses in chiffon or georgette and is also used for academic hood linings. Piece-dyed taffeta, which is soft and washable, is a favourite fabric for linings. It is also used for…

Halston was an American designer of elegant fashions with a streamlined look. He was widely considered the first superstar designer in the United States, and his clothing defined 1970s American fashion. Halston studied at Indiana University and the Art Institute of Chicago and operated a millinery

Disney Company: Continuing expansion: ABC, Pixar, Marvel Entertainment, and Lucasfilm: (2010), Wreck-It Ralph (2012), Frozen (2013), and Encanto (2021). Disney’s live-action films experienced something of a rebirth when Pirates of the Caribbean: The Curse of the Black Pearl (2003), a film loosely inspired by a ride at Disney theme parks, scored huge numbers at the box office. The film,…

dairy product: Composition of frozen desserts: …frozen desserts are ice cream, frozen custard, ice milk, frozen yogurt, sherbet, and water ices. Ice cream has the highest fat content, ranging from 10 to 20 percent. Frozen custard, or French ice cream, is basically the same formula as ice cream but contains added eggs or egg solids (usually…

dairy product: Ice cream and other frozen desserts: Ice cream evolved from flavoured ices that were popular with the Roman nobility in the 4th century bce. The emperor Nero is known to have imported snow from the mountains and topped it with fruit juices and honey. In the 13th century Marco…

rime: …the wind and are called “frozen fog deposits,” or “frost feathers.” Rime is composed of small ice particles with air pockets between them; this structure causes its typical white appearance and granular structure. Because of the rapid freezing of each individual supercooled droplet, there is relatively poor cohesion between the…

frozen meal, any of the complete meals or portions of meals that are precooked, assembled into a package, and frozen for retail sale. They are popular among consumers because they provide a diverse menu and are convenient to prepare. A frozen prepared meal may contain a meat entree, a vegetable, a

Melissa Leo: …smuggler of illegal refugees in Frozen River (2008) earned her a nomination for the Academy Award for best actress, and she won both the Golden Globe Award and the Oscar for best supporting actress for her merciless portrayal of the domineering mother of an aspiring boxer in The Fighter (2010).…

Lambeau Field, football stadium in Green Bay, Wisconsin, that is the home of the city’s NFL team, the Packers. It is the oldest stadium with an NFL team in continuous residence but has been much enlarged since opening in 1957. (Read Walter Camp’s 1903 Britannica essay on inventing American

dairy product: Composition of frozen desserts: Frozen yogurt is a cultured frozen product containing the same ingredients as ice cream. It must contain at least 3.25 percent milk fat and 8.25 percent milk solids other than fat and must weigh at least five pounds per gallon. Low-fat frozen yogurt contains between…

Hannes Alfvén: …physics, including the theorem of frozen-in flux, according to which under certain conditions a plasma is bound to the magnetic lines of flux that pass through it. Alfvén later used the concept to explain the origin of cosmic rays.

Victoria Benedictsson: …and another, somewhat contradictory, novel, Fru Marianne (1887; “Mrs. Marianne”), in which a doll wife outgrows her early romantic notions and finds fulfillment in sharing work and responsibilities with her husband. Her success made her acquainted with the brilliant and influential critic Georg Brandes, whom she had long admired. She…

Jens Peter Jacobsen: …novel, Fru Marie Grubbe (1876; Marie Grubbe: A Lady of the Seventeenth Century), is a psychological study of a 17th-century woman whose natural instincts are stronger than her social instincts and result in her descent on the social scale from a viceroy’s consort to the wife of a ferryman. The…

Johann Michael Moscherosch: …also a member of the Fruchtbringende Gesellschaft (“Productive Society”), which was founded for the purification of the German language and the fostering of German literature.

France: The Directory of France: …the government responded with the coup of Fructidor, year V (September 1797), ousting two of the current directors, arresting leading royalist politicians, annulling the elections in 49 départements, shutting down the royalist press, and resuming the vigorous pursuit of returned émigrés and refractory clergy. This heartened the Neo-Jacobins, who organized…

Coup of 18 Fructidor, (Sept. 4, 1797), the purge of conservatives from the Corps Législatif and other posts during the Revolutionary period of the Directory in France. The Directory, fearing that it was losing favour in the country, called upon Napoleon Bonaparte to send a general to command troops

heterocyclic compound: Five-membered rings with one heteroatom: …a cyclized isomer (called a fructofuranose).

fructosuria: …organic catalyst or enzyme called fructokinase. In fructosuria this particular enzyme is defective, and the concentration of fructose increases in the blood and urine. There are no other clinical manifestations or disabilities, and the condition is compatible with normal life expectancy.

fructose, a member of a group of carbohydrates known as simple sugars, or monosaccharides. Fructose, along with glucose, occurs in fruits, honey, and syrups; it also occurs in certain vegetables. It is a component, along with glucose, of the disaccharide sucrose, or common table sugar. Phosphate

metabolism: Energy state of the cell: Fructose 1,6-diphosphatase, which catalyzes the reaction opposite to phosphofructokinase, is strongly inhibited by AMP.

metabolic disease: Galactose and fructose disorders: Fructose 1,6-diphosphatase deficiency is associated with an impaired ability to form glucose from other substrates (a process called gluconeogenesis). Symptoms include severe hypoglycemia, intolerance to fasting, and enlargement of the liver. Rapid treatment of hypoglycemic episodes with intravenous fluids containing glucose and the avoidance of…