unwritten language spoken along the coast of the Black Sea in Georgia and in the adjacent areas of Turkey. Some scholars believe Laz and the closely related Mingrelian language to ...
Soviet physicist and biophysicist known for his physicochemical theory of the movement of ions and the consequent theory of excitation in living matter, which attempts to explain sensation, muscular contraction, ...
American merchandiser who parlayed his family's small but successful department store into a $1.3 billion holding company known as Federated Department Stores.
American physician and member of the commission that proved that the infectious agent of yellow fever is transmitted by a mosquito, later known as Aedes aegypti.
regione, west-central Italy, fronting the Tyrrhenian Sea and comprising the provinces of Roma, Frosinone, Latina, Rieti, and Viterbo. In the east Lazio is dominated by the Reatini, Sabini, Simbruini, and ...
phosphate mineral, a basic magnesium and aluminum phosphate [MgAl2 (PO4)2(OH)2], that often occurs as blue, glassy crystals, grains, or masses in granite pegmatites, aluminous metamorphic rocks and quartzites, and quartz ...
improvised comic dialogue or action in the commedia dell'arte. The word may have derived from lacci (Italian: "connecting link"), comic interludes performed by the character Arlecchino (Harlequin) between scenes, but ...
Neolithic culture that expanded over large areas of Europe north and west of the Danube River (from Slovakia to the Netherlands) about the 5th millennium BC. Farmers probably practiced a ...
town on the Atlantic coast of Namibia (formerly South West Africa). The Portuguese navigator Bartolomeu Dias stopped there in 1487 and named the bay Angra Pequena. Long neglected, it became ...
painter and designer who became the arbiter of artistic production in France during the last half of the 17th century. Possessing both technical facility and the capacity to organize and ...
also called Isaac Le Chapelier French Revolutionary leader who in 1791 introduced in the National Assembly the Loi ("Law") Le Chapelier, which made any association of workers or of employers ...
French chemist who is best known for the principle of Le Chatelier, which makes it possible to predict the effect a change of conditions (temperature, pressure, and concentration of reaction ...
industrial town, Saone-et-Loire departement, Bourgogne region, east-central France. It is located about 40 miles (65 km) southwest of Dijon. In 1782 a foundry and blast furnaces, using coal instead of ...
seaport and town, Seine-Maritime departement, Haute-Normandie region, northern France. It is on the English Channel coast and on the right bank of the Seine estuary, 134 miles (216 km) west-northwest ...
also called Binh Dinh Vuong, or Thuan Thien, reign title Le Thai To Vietnamese general and emperor who won back independence for Vietnam from China in 1428, founded the Later ...
town, capital of Sarthe departement, Pays de la Loire region, northwestern France. Situated in the former province of Maine, the town lies southwest of Chartres at the confluence of the ...
probably the world's best-known automobile race, run annually (with few exceptions) since 1923 at the Sarthe road-racing circuit, near Le Mans, France. Since 1928 the winner has been the car ...
paleoanthropological and archaeological site in the Dordogne region of southwestern France that has yielded important Neanderthal remains. In the 1860s the upper cave in the cliff face at Le Moustier ...
French nationalist whose National Front political party represented the main right-wing opposition to the country's mainstream conservative parties from the 1970s through the turn of the 21st century. A controversial ...
town, southwest suburb of Rouen, Seine-Maritime departement, Haute-Normandie region, northern France, on the Seine River. The name Quevilly comes from the Latin Quevillicium-in ancient French Chivilly, or Chevilli-meaning "a row ...
town, capital of Haute-Loire departement, Auvergne region, south-central France. Le Puy-en-Velay is situated in the Massif Central, at 2,067 feet (630 m) above sea level, 2 miles (3 km) from ...
painter known for his religious pictures in the style of the French classical Baroque. Le Sueur was one of the founders and first professors of the Royal Academy of Painting ...
secretary of state for war (1643-77) and then chancellor who created the royal army that enabled King Louis XIV to impose his absolute rule on France and establish French hegemony ...
the greatest ruler of the Later Le dynasty (q.v.; 1428-1788) in Vietnam. Though the early years of Le Thanh Tong's reign were marked by a struggle for power, he eventually ...
town, Pas-de-Calais departement, Nord-Pas-de-Calais region, northern France, at the mouth of the Canche River. Situated on the English Channel 20 miles (32 km) south of Boulogne, it is a fashionable ...
Vietnamese military strategist and government official who served as a diplomatic liaison between Vietnam and France and defended Christian missionaries against the early Nguyen emperors.
river rising north of Luton in the county of Bedfordshire, England. It flows for 46 miles (74 km) east and then south to enter the River Thames near Bromley-by-Bow, in ...
in geology, loss of soluble substances and colloids from the top layer of soil by percolating precipitation. The materials lost are carried downward (eluviated) and are generally redeposited (illuviated) in ...
a soft, silvery-white or grayish metal in Group IVa of the periodic table. Lead is very malleable, ductile, and dense and is a poor conductor of electricity. Known in antiquity ...
city, Lawrence county, western South Dakota, U.S. It lies in the northern Black Hills, about 40 miles (65 km) northwest of Rapid City, at an elevation of 5,280 feet (1,609 ...
method of age determination that makes use of the ratio of the radioactive lead isotope lead-210 to the stable isotope lead-206. The method has been applied to the ores of ...
American folk-blues singer, songwriter, and guitarist whose ability to perform a vast repertoire of songs, in conjunction with his notoriously violent life, made him a legend.
city, seat (1878) of Lake county, central Colorado, U.S., located 103 miles (166 km) west of Denver and 38 miles (61 km) south of Vail. It is situated in the ...
sculpture, ornamental objects, and architectural coverings and fittings made of lead. Although the ease with which lead is smelted from lead ores ensured its early discovery, the softness of the ...
in botany, any usually flattened green outgrowth from the stem of a vascular plant. Leaves manufacture food for plants, which in turn ultimately nourish and sustain all land animals. Botanically, ...
any member of the 25,000 species of leaf-feeding insects of the family Chrysomelidae (order Coleoptera). Leaf beetles occur throughout the world but are concentrated in the tropics. They are oval ...
worldwide disease of many woody plants and ferns caused by fungi of the genus Taphrina. Following cold, wet weather at budbreak, leaves become swollen, crinkled, and distorted with yellow, red, ...
the genus Epiphyllum, of about 15 species, family Cactaceae, native to tropical and subtropical America, including the West Indies. The plants are mostly epiphytes (perched on other plants) but sometimes ...
hard, coarse fibre obtained from leaves of monocotyledonous plants (flowering plants that usually have parallel-veined leaves, such as grasses, lilies, orchids, and palms), used mainly for cordage. Such fibres, usually ...
any of about 10 species of fishes in the family Nandidae (order Perciformes). All live in fresh water, although some species may enter brackish water. Their geographic distribution is circumtropical, ...
any of about 25 species of flat, green insects with a leaflike appearance that belong to the order Phasmatodea. The female has large leathery forewings (tegmina) that lie edge to ...
any of a number of insect larvae that live and feed within a leaf. Leaf miners include caterpillars (order Lepidoptera), sawfly larvae (order Hymenoptera), beetle and weevil grubs or larvae ...
any member of the worldwide insect family Tortricidae (order Lepidoptera), named for the characteristic leaf rolling habit of the larvae. The name bell moth arises from the shape of the ...
any of the insects in the family Megachilidae (order Hymenoptera), particularly certain species in the genus Megachile. Leaf-cutter bees differ from related species in that they collect pollen on their ...
any of almost 250 species of New World and Old World bats belonging to the families Phyllostomidae and Hipposideridae that have a flat projection on the muzzle that often resembles ...
any of four species of small burrowing snakes of the family Colubridae that have the nose shield enlarged and flattened, with free edges. Several subspecies of each also exist. The ...
(family Gryllacrididae), any of a group of orthopteran insects that are wingless or nearly wingless and have long cerci and antennae. The California leaf roller (Camptonotus carolinensis), about 15 mm ...
