mastiff bat, any of various species of free-tailed bats (family Molossidae) named for their doglike faces. The eight New World species of bats making up the genus Molossus are called mastiff bats. Several other genera also include species commonly called mastiff

community ecology: Ecotones: …parasitism of bird nests by brown-headed cowbirds (Molothrus ater) is particularly frequent in ecotones between mature forests and earlier successional patches. Cowbirds lay their eggs in the nests of other birds and are active mainly in early successional patches. Forest birds whose nests are deep within the interior of mature…

Perm, city and administrative centre of Perm kray (territory), western Russia. The city stands on both banks of the Kama River below its confluence with the Chusovaya. In 1723 a copper-smelting works was founded at the village of Yegoshikha (founded 1568), at the junction of the Yegoshikha and Kama

Molotov cocktail, a crude bomb, typically consisting of a bottle filled with a flammable liquid and a wick that is ignited before throwing. It is named for Vyacheslav Molotov, the foreign minister of the Soviet Union during and after World War II, though Molotov was not its inventor. It is also

Vyacheslav Molotov was a statesman and diplomat who served as foreign minister and the major spokesman for the Soviet Union at Allied conferences during and immediately after World War II. A member and organizer of the Bolshevik party from 1906, Molotov was twice arrested (1909, 1915) for his

Vyacheslav Molotov was a statesman and diplomat who served as foreign minister and the major spokesman for the Soviet Union at Allied conferences during and immediately after World War II. A member and organizer of the Bolshevik party from 1906, Molotov was twice arrested (1909, 1915) for his

German-Soviet Nonaggression Pact, (August 23, 1939), nonaggression pact between Germany and the Soviet Union that was concluded only a few days before the beginning of World War II and which divided eastern Europe into German and Soviet spheres of influence. The Soviet Union had been unable to

Severodvinsk, city and seaport of Archangelsk oblast (region), northwestern Russia. It lies on the shore of the White Sea’s Gulf of Dvina, at the western edge of the Northern Dvina River delta. The city was founded after the October Revolution (1917) as an outport for Archangelsk city. The city

MillerCoors: …Coors Brewing Company merged with Molson Brewing Company, a prominent Canadian brewery, to become Molson Coors. SABMiller and Molson Coors owned at that time the second and third largest brewing operations in the United States, respectively, trailing only Anheuser-Busch Companies, Inc., in production.

MillerCoors: …Coors Brewing Company merged with Molson Brewing Company, a prominent Canadian brewery, to become Molson Coors. SABMiller and Molson Coors owned at that time the second and third largest brewing operations in the United States, respectively, trailing only Anheuser-Busch Companies, Inc., in production.

MillerCoors: …merger of SABMiller PLC and Molson Coors. In addition to its signature Miller and Coors brands, MillerCoors produces numerous popular beverage lines, including Milwaukee’s Best, Blue Moon, and Leinenkugel’s. Its headquarters are in Chicago.

molt, biological process of molting (moulting)—i.e., the shedding or casting off of an outer layer or covering and the formation of its replacement. Molting, which is regulated by hormones, occurs throughout the animal kingdom. It includes the shedding and replacement of horns, hair, skin, and

fuel cell: Molten carbonate fuel cells: Fuel cells of this type operate quite differently from those so far discussed. The fuel consists of a mixture of hydrogen and carbon monoxide generated from water and a fossil fuel. The electrolyte is molten potassium lithium carbonate, which requires an…

coal utilization: Gasification systems: The molten-bath approach is similar to the fluidized-bed concept in that reactions take place in a molten medium (either slag or salt) that disperses the coal and acts as a heat sink for distributing the heat of combustion.

molt, biological process of molting (moulting)—i.e., the shedding or casting off of an outer layer or covering and the formation of its replacement. Molting, which is regulated by hormones, occurs throughout the animal kingdom. It includes the shedding and replacement of horns, hair, skin, and

Adam Gottlob, Greve (count) Moltke was a high court official who exerted a powerful influence over King Frederick V of Denmark and Norway. Brought to Denmark by his family as a child, Moltke was a page to the future king Christian VI in 1722. In 1730 he became chamberlain to the future king

Adam Wilhelm, Greve (count) Moltke was a statesman and prime minister of the first parliamentary government in Denmark. The grandson of Adam Gottlob Moltke, Moltke entered public life in 1809 as the assessor of the Supreme Court. After holding other government offices, he became minister of finance

Helmuth von Moltke was the chief of the German General Staff at the outbreak of World War I. His modification of the German attack plan in the west and his inability to retain control of his rapidly advancing armies significantly contributed to the halt of the German offensive on the Marne in

Helmuth von Moltke was the chief of the Prussian and German General Staff (1858–88) and the architect of the victories over Denmark (1864), Austria (1866), and France (1871). Moltke’s father, a man of unstable character, belonged to the nobility of Mecklenburg, his mother to an old family of the

Mario Batali: …to Cook at Home (2005), Molto Batali: Simple Family Meals from My Home to Yours (2011), America: Farm to Table (2014; cowritten with Jim Webster), and Big American Cookbook: 250 Favorite Recipes from Across the USA (2016). He was also profiled in Bill Buford’s Heat (2006), which follows Buford as…

Mario Batali: …included The Babbo Cookbook (2002), Molto Italiano: 327 Simple Italian Recipes to Cook at Home (2005), Molto Batali: Simple Family Meals from My Home to Yours (2011), America: Farm to Table (2014; cowritten with Jim Webster), and Big American Cookbook: 250 Favorite Recipes from Across the USA (2016). He was…

Mario Batali: …first foray into television was Molto Mario (1996–2004), where he would typically cook for three guests seated alongside his kitchen while regaling them with stories about the history and culture of Italian food. His idiosyncratic appearance—the heavyset, bearded Batali kept his long red hair in a ponytail and almost always…

Molucca Sea, portion of the western Pacific Ocean, bounded by the Indonesian islands of Celebes (west), Halmahera (east), and the Sula group (south). With a total surface area of 77,000 square miles (200,000 square km), the Molucca Sea merges with the Ceram Sea to the southeast, with the Banda Sea

Moluccas, Indonesian islands of the Malay Archipelago, lying between the islands of Celebes to the west and New Guinea to the east. The Philippines, the Philippine Sea, and the Pacific Ocean are to the north; the Arafura Sea and the island of Timor are to the south. The islands comprise the two

bells of Ireland, (Moluccella laevis), annual plant in the mint family (Lamiaceae), grown as a garden curiosity for its green floral spikes. Bells of Ireland is native to western Asia and is commonly used in the floral industry as a fresh or dried flower. Bells of Ireland grows well in cool

ling: elongata) and the blue ling (M. dypterygia, or M. byrkelange).

ling: elongata) and the blue ling (M. dypterygia, or M. byrkelange).

ling: …other deepwater European fishes: the Spanish, or Mediterranean, ling (M. macrophthalma, or M. elongata) and the blue ling (M. dypterygia, or M. byrkelange).

ling: …other deepwater European fishes: the Spanish, or Mediterranean, ling (M. macrophthalma, or M. elongata) and the blue ling (M. dypterygia, or M. byrkelange).

ling, (Molva molva), in zoology, commercially valuable marine fish of the cod family (Gadidae), found in deep northern waters near Iceland, the British Isles, and Scandinavia. The ling is a slim, long-bodied fish with small scales, a long anal fin, and two dorsal fins, the second being much longer

molybdenite, the most important mineral source of molybdenum, molybdenum disulfide (MoS2). Molybdenite crystals have the same hexagonal symmetry as those of tungstenite (tungsten disulfide). Both have layered structures and similar physical properties; the chief difference is the higher specific

molybdate and tungstate minerals, naturally occurring inorganic compounds that are salts of molybdic acid, H2MoO4, and tungstic acid, H2WO4. Minerals in these groups often are valuable ores. The structural unit of these minerals is a tetrahedral group formed by four oxygen atoms at the corners of a

chromium processing: Pigments: Molybdate orange is a combination of lead chromate with molybdenum salts. Chrome green is a mixture of lead chromate with iron blue. This pigment has excellent covering and hiding power and is widely used in paints.

molybdenite, the most important mineral source of molybdenum, molybdenum disulfide (MoS2). Molybdenite crystals have the same hexagonal symmetry as those of tungstenite (tungsten disulfide). Both have layered structures and similar physical properties; the chief difference is the higher specific

molybdenum (Mo), chemical element, silver-gray refractory metal of Group 6 (VIb) of the periodic table, used to impart superior strength to steel and other alloys at high temperature. The Swedish chemist Carl Wilhelm Scheele had demonstrated (c. 1778) that the mineral molybdaina (now molybdenite),

conductive ceramics: Heating elements: Both SiC and molybdenum disilicide (MoSi2) form protective silica-glass surface layers, which protect them from oxidation in oxidizing atmospheres. MoSi2 is a semimetal with a high conductivity. Lanthanum chromite (LaCr2O4) is a small polaron conductor; substituting alkaline-earth ions (e.g., calcium, or Ca2+) for La3+ results in an equal…

lubrication: Solid lubricants.: …materials such as graphite and molybdenum disulfide, commonly called molysulfide, have a crystal lattice structure arranged in layers. Strong bonds between atoms within a layer and relatively weak bonds between atoms of different layers allow the lamina to slide on one another. Other such materials are tungsten disulfide, mica, boron…

molybdenum processing, preparation of the ore for use in various products. Molybdenum (Mo) is a white platinum-like metal with a melting point of 2,610 °C (4,730 °F). In its pure state, it is tough and ductile and is characterized by moderate hardness, high thermal conductivity, high resistance to

molybdenum processing: Technical molybdic oxide: About 97 percent of MoS2 must be converted into technical molybdic oxide (85–90 percent MoO3) in order to reach its commercial destination. Such conversion is almost universally carried out in Nichols-Herreshoff-type multiple-hearth furnaces, into which molybdenite concentrate is fed from the top…

molybdenum processing: History: …pharmacist Carl Wilhelm Scheele produced molybdic oxide by attacking pulverized molybdenite (MoS2) with concentrated nitric acid and then evaporating the residue to dryness. Following Scheele’s suggestion, another Swedish chemist, Peter Jacob Hjelm, produced the first metallic molybdenum in 1781 by heating a paste prepared from molybdic oxide and linseed oil…

Samuel Molyneux was a British astronomer and politician. Molyneux received his B.A. (1708) and M.A. (1710) from Trinity College, Dublin. He was elected to the Royal Society in 1712. Besides pursuing a career as an astronomer, he was also active in politics, as a member of both the English

perception: Innate versus learned perception: …Locke by a fellow philosopher William Molyneux in 1690. Molyneux’s suggestion waited until the 20th century to be taken seriously, after surgical methods had been found to restore the sight of people born blind because of cataract (clouded lens within the eye).

lubrication: Solid lubricants.: …materials such as graphite and molybdenum disulfide, commonly called molysulfide, have a crystal lattice structure arranged in layers. Strong bonds between atoms within a layer and relatively weak bonds between atoms of different layers allow the lamina to slide on one another. Other such materials are tungsten disulfide, mica, boron…

Mars Orbiter Mission (MOM), unmanned mission to Mars that is India’s first interplanetary spacecraft. The Indian Space Research Organisation (ISRO) launched the Mars Orbiter Mission on November 5, 2013, using its Polar Satellite Launch Vehicle (PSLV) from the Satish Dhawan Space Centre on

Allison Janney: I, Tonya and Mom: …Anna Faris in the sitcom Mom (2013–21), playing a recovering addict. Janney earned two Emmys (2014 and 2015) for her work on the show.

Museum of Modern Art, comprehensive collection of primarily American and European art ranging from the late 19th century to the present that was established in New York City in 1929, with Alfred H. Barr as the founding director. According to the museum’s founding trustees—especially Lillie P.

Western painting: Institutional critique, feminism, and conceptual art: 1968 and its aftermath: In 1970 he installed MoMA Poll, a participatory visitor’s poll as part of an exhibition at the Museum of Modern Art. In the light of Pres. Richard Nixon’s expansion of the Vietnam War to Cambodia, Haacke directly asked museumgoers whether they would vote for Nelson Rockefeller if he supported…

MoMA PS1, not-for-profit contemporary art centre, affiliated with the Museum of Modern Art (MoMA), located in a former primary school in Long Island City, Queens, New York. When Alanna Heiss founded the Institute for Art and Urban Resources (IAUR; PS1’s original name) in 1971, its primary function

N. Scott Momaday was a Native American author who often wrote about his Kiowa heritage. For his novel House Made of Dawn (1968), Momaday became the first Native American to win a Pulitzer Prize. Momaday grew up on an Oklahoma farm and on Southwestern reservations where his parents were teachers. He

N. Scott Momaday was a Native American author who often wrote about his Kiowa heritage. For his novel House Made of Dawn (1968), Momaday became the first Native American to win a Pulitzer Prize. Momaday grew up on an Oklahoma farm and on Southwestern reservations where his parents were teachers. He

Mozambique: Relationship between the government and Renamo: …continued, however, with Dhlakama’s successor, Ossufo Momade. Progress continued, and in August 2019 the two leaders signed a pair of widely acclaimed agreements that were intended to end hostilities and to foster peace and reconciliation. The agreements set the stage for the possibility that the next round of presidential, legislative,…

Himalayas: People of the Himalayas: the Mishmi, the Momba, the Miri, and the Singpho. Linguistically, they are Tibeto-Burman. Each group has its homeland in a distinct river valley, and all practice shifting cultivation (i.e., they grow crops on a different tract of land each year).

Lake Nicaragua: Geography: …associated with the lake is Mombacho, about 4,430 feet (1,350 metres) high, which stands on the western shore. Ometepe Island is the preeminent site in Nicaragua for pre-Columbian examples of statuary, ceramics, and other archaeological remains, some of which are believed to represent vestiges of ancient South American, as well…

Mombasa, city and chief port of Kenya, situated on a coralline island in a bay of the Indian Ocean. The island is linked to its mainland municipal territory of 100 square miles (259 square km) by causeway, bridge, and ferry and has an area of 5.5 square miles (14.25 square km). Before Mombasa

Marion Cotillard: …Môme (2007; also released as La Vie en rose) propelled her to international fame.

race, milieu, and moment, according to the French critic Hippolyte Taine, the three principal motives or conditioning factors behind any work of art. Taine sought to establish a scientific approach to literature through the investigation of what created the individual who created the work of art.

Lily Tomlin: …to the big screen with Moment by Moment, in which she portrayed a wealthy woman who has an affair with a young hustler (John Travolta); the drama was written and directed by Wagner. It was widely panned. Tomlin rebounded with Nine to Five (1980), a hugely popular comedy about coworkers…

Hardy Cross: …distribution method, or simply the Hardy Cross method, calculation can be carried to any required degree of accuracy by successive approximations, thus avoiding the immense labour of solving simultaneous equations that contain as many variables as there are rigid joints in a frame. He also successfully applied his mathematical methods…

John Sayles: …searching for a publisher for A Moment in the Sun (2011), a sweeping historical novel set during the turn of the 20th century, Sayles traveled to the Philippines to make Amigo (2010), a film account of the Philippine-American War (1899–1902). His later thriller Go for Sisters (2013) saw two women…

moment magnitude (MW), quantitative measure of an earthquake’s magnitude (or relative size), developed in the 1970s by Japanese seismologist Hiroo Kanamori and American seismologist Thomas C. Hanks. Calculations of an earthquake’s size using the moment magnitude scale are tied to an earthquake’s

moment magnitude (MW), quantitative measure of an earthquake’s magnitude (or relative size), developed in the 1970s by Japanese seismologist Hiroo Kanamori and American seismologist Thomas C. Hanks. Calculations of an earthquake’s size using the moment magnitude scale are tied to an earthquake’s

20th-century Norwegian literature: After World War II: …such as Frihetens øyeblikk (1966; Moment of Freedom), he probed the nature of evil across all of Western civilization. In her early short stories Torborg Nedreaas, also a politically committed author, retold stories from the war years, but she did so from a woman’s point of view. However, it was…

Laurie Lee: …that country’s civil war; and A Moment of War (1991), an account of his experiences in Spain during that war. Lee’s other works included the poetry collections The Sun My Monument (1944), The Bloom of Candles (1947), and My Many-Coated Man (1955) and a collection of stories, I Can’t Stay…

Pink Floyd: Split and later albums: …two albums, including the ponderous A Momentary Lapse of Reason (1987) and The Division Bell (1994), while Waters pursued a solo career. Waters reunited with his former bandmates for a single performance at the Live 8 benefit concert in 2005. Gilmour and Mason later used recordings made with Wright (who…

point estimation: The moments method equates values of sample moments (functions describing the parameter) to population moments. The solution of the equation gives the desired estimate. The Bayesian method, named for the 18th-century English theologian and mathematician Thomas Bayes, differs from the traditional methods by introducing a frequency…

momentum, product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e., it has both magnitude and direction. Isaac Newton’s second law of motion states that the time rate of change of momentum is equal to the force acting on the particle. See Newton’s laws of motion. From

conservation of momentum, general law of physics according to which the quantity called momentum that characterizes motion never changes in an isolated collection of objects; that is, the total momentum of a system remains constant. Momentum is equal to the mass of an object multiplied by its

angular momentum, property characterizing the rotary inertia of an object or system of objects in motion about an axis that may or may not pass through the object or system. The Earth has orbital angular momentum by reason of its annual revolution about the Sun and spin angular momentum because of

mumming play, traditional dramatic entertainment, still performed in a few villages in England and Northern Ireland, in which a champion is killed in a fight and is then brought to life by a doctor. It is thought likely that the play has links with primitive ceremonies held to mark important stages

Museum of the Moving Image (MoMI), museum dedicated to educating the public about the history of film and television arts and about the impact those media have on popular culture. Established in 1988 in Astoria, New York, the museum is a rebuilt portion of what was once Paramount Pictures’ Astoria

Gaston Maspero: …these findings was published in Les Momies royales de Deir-el-Bahari (1889; “The Royal Mummies of Dayr al-Baḥrī”).

Tony Richardson: Richardson’s first film, Momma Don’t Allow, was a short subject. In 1958 he formed Woodfall Film Productions, Ltd., with playwright Osborne. His films dealing with the British urban working class included the screen adaptations of his stage successes Look Back in Anger (1959), The Entertainer (1960), and A…

Joan Crawford: …their mother’s hands, and a film version was produced in 1981.

Frank Perry: …on her daughter Christina’s best-selling memoir, in which she claimed the actress was abusive; Dunaway starred in the title role. Although widely panned at the time of its release, the campy and over-the-top drama was a box-office success and later became a cult classic. Perry’s later films, however, were largely…

Theodor Mommsen was a German historian and writer, famous for his masterpiece, Römische Geschichte (The History of Rome). He was awarded the Nobel Prize for Literature in 1902. Mommsen was the son of a Protestant minister in Garding, Schleswig, and he grew up in Oldesloe (now Bad Oldesloe). He

Theodor Mommsen was a German historian and writer, famous for his masterpiece, Römische Geschichte (The History of Rome). He was awarded the Nobel Prize for Literature in 1902. Mommsen was the son of a Protestant minister in Garding, Schleswig, and he grew up in Oldesloe (now Bad Oldesloe). He

20th-century international relations: The search for causes: Finally, a moderate German historian, Wolfgang J. Mommsen, dispensed with polemics altogether. Germany’s rapid industrialization and the tardiness of modernization in Austria-Hungary and Russia, he concluded, created instabilities in central and eastern Europe that found expression in desperate self-assertion. Echoing Joseph Schumpeter, Mommsen blamed the war on the survival of…

Manchu, people who lived for many centuries mainly in Manchuria (now Northeast) and adjacent areas of China and who in the 17th century conquered China and ruled for more than 250 years. The term Manchu dates from the 16th century, but it is certain that the Manchu are descended from a group of

Sam Giancana was a major American gangster, the top syndicate boss in Chicago from 1957 to 1966, who was noted for his friendships with show-business personalities and for his ruthlessness. Born and reared in Chicago’s “Little Italy” on the near southwest side, Giancana began working for Al Capone

Jason Momoa is an American television and film actor and producer who emerged in the 2000s as a character actor specializing in portrayals of warriors, fighters, and other violent characters. Momoa is best known for his long hair and muscled physique. His most popular roles were as the Dothraki

Jason Momoa is an American television and film actor and producer who emerged in the 2000s as a character actor specializing in portrayals of warriors, fighters, and other violent characters. Momoa is best known for his long hair and muscled physique. His most popular roles were as the Dothraki

Sierra Leone: Independence: …the head of the army, Joseph Saidu Momoh, as his successor. Widespread corruption continued, and the economy further deteriorated.

bitter melon, (Momordica charantia), vine in the gourd family (Cucurbitaceae) that grows throughout India (but especially in Kerala), China, and Southeast Asia. Bitter melon, also called bitter gourd or bitter cucumber, is gnarled, covered in warts, and shaped like a rather pointy cucumber. It is

motmot, any of about 10 species of long-tailed forest birds of the family Momotidae (order Coraciiformes) of Central and South America. In six species the two central tail feathers are elongated and become racket-tipped as very brittle barbs (branches) along the shaft snap off in preening. Motmots

Lake Managua: Momotombo Volcano, reaching 4,199 feet (1,280 meters) above sea level, is on the northwestern shore. Managua, the national capital, lies along the lake’s southern shore. In 1998 the rains caused by Hurricane Mitch (approximately 75 inches [1,900 mm] over five days), one of the Atlantic…

Azuchi-Momoyama period, (1574–1600), in Japanese history, age of political unification under the daimyo Oda Nobunaga and his successor Toyotomi Hideyoshi, who finally brought all provinces under the control of the central government. In contrast to the restraint of the preceding Muromachi, or

Mompox, Indian people of what are now the northern Colombia lowlands who became extinct under Spanish rule. Culturally the Mompox were similar to their neighbours, such as the Cenú (q.v.); all such groups spoke languages of the Cariban family, but the Mompox language was not closely related to the

Moms for Liberty (MFL), conservative political organization that seeks to influence school policies and curricula throughout the United States. It was created to oppose mask mandates and other efforts to mitigate the spread of COVID-19 in Florida public schools, and within 10 months it had expanded

Mon, people living in the eastern delta region of Myanmar (Burma) and in west-central Thailand, numbering in the early 21st century somewhere between one and five million, though less than a third speak the Mon language. The Mon have lived in their present area for more than 1,200 years, and they

Natsume Sōseki: …hero kills himself; and in Mon (1910; “The Gate”) the hero’s inability to gain entrance to the gate of a Zen temple to seek religious solace is a frightening symbol of frustration, isolation, and helplessness. Natsume’s last novel, Michikusa (1915; Grass on the Wayside), was autobiographical.

heraldry: General considerations: The Japanese mon, or monshō, is very definitely an heraldic symbol, having many parallels in its use with the armorial bearings of Europe. It was used on helmets, shields, and breastplates but was never, as in Europe, large enough to identify the wearer of the armour at…

Mon, town, northern Nagaland state, northeastern India. It is situated in the northern Naga Hills, about 10 miles (16 km) northwest of the Myanmar (Burma) border. Mon was occupied by the British in 1889 and designated a subdivisional headquarters; it was the scene of guerrilla activity until the

Møn, island, Denmark. The island has an area of 84 square miles (218 square km) and lies in the Baltic Sea. It is separated from southern Zealand by the Ulv Strait and from Falster island by the Grøn Strait. It is primarily flat except on the east coast, where white chalk cliffs covered with beech

Manoel de Oliveira: It was followed by Mon cas (1986; “My Case”), which presented multiple interpretations of a one-act play by Régio, and Os canibais (1988; “The Cannibals”), a darkly comic film opera.

Michel del Castillo: …pères (1993; “The Fathers’ Crime”), Mon frère l’idiot (1995; “My Brother, the Idiot”), and De père franƈais (1998; “The French Father”).

Mon kingdom, kingdom of the Mon people, who were powerful in Myanmar (Burma) from the 9th to the 11th and from the 13th to the 16th century and for a brief period in the mid-18th century. The Mon migrated southward from western China and settled in the Chao Phraya River basin (of southern Thailand)

Mon language, Mon-Khmer language spoken by the Mon people of southeastern Myanmar (Lower Burma) and several Mon communities in Thailand. The oldest inscriptions, dating from the 6th century, are found in central Thailand in archaeological sites associated with the Dvaravati kingdom. Numerous Old

Isle of Anglesey, county, northwestern Wales, separated from the North Wales mainland by the Menai Strait. The county encompasses Anglesey island—the largest island in England and Wales, with an area of 261 square miles (676 square km)—and Holy Island, adjoining just west of Anglesey. Isle of

Jacques Tati: His subsequent film, Mon oncle (1958), in which Monsieur Hulot contends with modern technology, won the Academy Award for best foreign film. Playtime (1967) focused on the dehumanizing effects of modern architecture in office buildings, airports, and other structures. Tati built an enormous set at great expense for…

Isle of Anglesey, county, northwestern Wales, separated from the North Wales mainland by the Menai Strait. The county encompasses Anglesey island—the largest island in England and Wales, with an area of 261 square miles (676 square km)—and Holy Island, adjoining just west of Anglesey. Isle of