ABCDEFGHIJKLMNOPQRSTUVWXYZ0-9
Lacepede, Etienne de La Ville-sur-Illon, comte de ... Ladin language
Lacepede, Etienne de La Ville-sur-Illon, comte de
(count of) French naturalist and politician who made original contributions to the knowledge of fishes and reptiles.
laceration
(from the article "parturition") Vaginal lacerations usually manifest as profuse bleeding after delivery of the baby. Not all extensive lacerations cause bleeding, however, and a large tear in the vaginal wall may not be ...
Lacerta
genus of lizards of the family Lacertidae that includes among its nearly 50 species most European lizards and some Asian and northern African species. Lacerta and its allies, such as ... [1 Related Articles]
lacewing
any of a group of insects that are characterized by a complex network of wing veins that give them a lacy appearance. The most common lacewings are in the green ... [2 Related Articles]
Lacework Nebula
(from the article "Cygnus Loop") group of bright nebulae (Lacework Nebula, Veil Nebula, and the nebulae NGC 6960, 6979, 6992, and 6995) in the constellation Cygnus, thought to be remnants of a supernova-i.e., of the ...
Lachaise, Gaston
French-born American sculptor known for his massively proportioned female nudes. [1 Related Articles]
Lachen Bridge
(from the article "bridge") ...striving to use less material and keep costs down, he continually played with the forms in order to achieve maximum aesthetic expression. Some of his last bridges-at Vessy, Liesberg, and ...
Lachenbruch, Arthur Herold
(from the article "permafrost") If the mean annual air temperature is the same in two areas, the permafrost will be thicker where the conductivity of the ground is higher and the geothermal gradient is ...
Laches
a rich Athenian aristocrat who played a leading part in the first phase of the Peloponnesian War.
Lachine
former city, Montreal region, southern Quebec province, Canada. Until 2002 it was a western suburb of Montreal city, at which time it was incorporated into Montreal as a borough of ...
Lachine Canal
(from the article "Saint Lawrence River and Seaway") For the navigation portion of the project, the Canadian government built two canals and five locks around the Cedar, Cascades, and Lachine rapids and three seaway dams; and the U.S. ...
Lachish
(from the article "epigraphy") ...of Jeroboam II of Israel (8th century BC), which record names, families, and administrative and religious practices. Of equal significance are the ostraca of Lachish in southern ...
Lachlan River
chief tributary of the Murrumbidgee River, in New South Wales, Australia. Rising in the Great Dividing Range (Eastern Highlands), 8 miles (13 km) east of Gunning, it flows northwest, and, ...
Lachmann, Karl (Konrad Friedrich Wilhelm)
German founder of modern textual criticism, or the methodology of determining the definitive text of a written work. His commentary (1850) on Lucretius' De rerum natura ("On the Nature of ... [4 Related Articles]
Lachmina Singh
(from the article "Kathmandu") ..."wood"; mandir, "temple" or "edifice") said to have been built from the wood of a single tree by Raja Lachmina Singh in 1596. A building, supposedly the ...
Lachmon, Jaggernath
Surinamese politician (b. Sept. 21, 1916, Nieuw Nickerie, Dutch Guiana [now Suriname]-d. Oct. 19, 2001, Amsterdam, Neth.), was a prominent figure in Surinamese politics for over half a century. He ...
lachrymal bone
(from the article "skull") ...the temporal and maxillary bones to form the zygomatic arch below the eye socket; the palatine bone; and the maxillary, or upper jaw, bones. The nasal cavity is formed by ...
Lachs, Manfred
Polish writer, educator, diplomat, and jurist who profoundly influenced the postwar development of international law. [1 Related Articles]
Lachung
village, northeastern Sikkim state, northeastern India, on the Lachung River, a tributary of the Tista. A small trading centre (corn [maize] and pulses), it is equipped with a dispensary, rest ...
Lacistemataceae
(from the article "Malpighiales") Lacistemataceae is a small family of 2 genera and 14 species native to the tropical and subtropical Americas and the West Indies. Lacistema includes 11 species. The flowers are very ...
Lack, David Lambert
British ornithologist, best known as the author of The Life of the Robin (1943) and other works that popularized natural science.
Lackawanna
city, Erie county, western New York, U.S., on Lake Erie, adjoining Buffalo (north). Originally part of an Indian reservation, it was settled in the 1850s as part of West Seneca ...
Lackawanna
county, northeastern Pennsylvania, U.S., bordered by Choke Creek to the southwest and the Lehigh River to the southeast. Its terrain is topographically complex. The Lackawanna River, bordered on the southeast ...
Laclede Liguest, Pierre
(from the article "Chouteau, Auguste") Chouteau was an infant when his mother separated from his father. In 1757 she formed a liaison with Pierre Laclede Liguest, who took Auguste and the rest of the family ...
Laclos, Pierre Choderlos de
French soldier and writer, author of the classic Les Liaisons dangereuses, one of the earliest examples of the psychological novel. [1 Related Articles]
Lacock
(from the article "Western architecture") ...in the form of a mock Gothic castle at nearby Edgehill, the idea of which became fashionable and made a reputation for him as a designer of Gothic extravaganzas. His ...
Lacombe, Friar Francois
(from the article "Guyon, Jeanne-Marie Bouvier de La Motte, Madame Du Chesnoy") ...a family, but, at the death of her husband in 1676, she turned completely toward the mystical experiences she had long felt. Led through a long cycle of personal religious ...
Laconia
nomos (department) and historic region in the southeastern part of the Peloponnese, southern Greece. The present department of Laconia corresponds closely to the ancient province, which was bounded by Arcadia ... [1 Related Articles]
Laconia
city, seat of Belknap county, central New Hampshire, U.S., on the Winnipesaukee River and bordering Winnisquam Lake and Opechee and Paugus bays of Lake Winnipesaukee. In a mountain setting, it ...
Laconia, Gulf of
large, deep gulf on the southern Ionian Sea embraced by the two southernmost peninsulas of the Peloponnese, Greece, 35 miles (56 km) north-south and 30 miles (48 km) wide. Cape ...
Lacordaire, Henri
leading ecclesiastic in the Roman Catholic revival in France following the Napoleonic period.
Lacoste, Rene
French tennis player who was a leading competitor in the late 1920s. As one of the powerful Four Musketeers (the others were Jean Borotra, Henri Cochet, and Jacques Brugnon), he ... [2 Related Articles]
Lacoste, Robert
(from the article "Algeria") ...to prepare the way for the new governor-general, Europeans bombarded him with tomatoes. Yielding to this pressure, he allowed Catroux to withdraw and named in his place the pugnacious socialist ...
LaCour, P.
(from the article "turbine") The development of the electric generator aroused some interest in the wind as a "free" power source. The first windmill to drive a generator was built in 1890 by P. ...
Lacq
village, centre of an industrial complex in the Pyrenees-Atlantiques departement, Bearn region, southwestern France, northwest of Pau. The industrial complex was built after the discovery at Lacq ...
lacquer
(from the article "painting") Lacquer has been a traditional Chinese medium for more than 2,000 years. It combines painting with intaglio relief. Linen-covered wood panels are coated with chalk or clay, followed by many ...
lacquerwork
certain metallic and wood objects to which coloured and frequently opaque varnishes called lacquer are applied. The word lacquer is derived from lac, which is the basis of some lacquers. ... [18 Related Articles]
Lacretelle, Jacques de
French novelist, the third member of his family to be elected to the French Academy (1936).
Lacretelle, Jean-Charles-Dominique de, The Younger
French historian and journalist, a pioneer in the historical study of the French Revolution.
lacrimal nerve
(from the article "nervous system, human") The ophthalmic nerve passes through the wall of the cavernous sinus and enters the orbit via the superior orbital fissure. Branches in the orbit are (1) the lacrimal nerve, serving ...
lacrimal reflex
(from the article "nervous system, human") ...pupillary musculature by autonomic nerves that supply the eye. Another reflex involving the eye is known as the lacrimal reflex. When something irritates the conjunctiva or cornea of the eye, ...
lacrimal sac
(from the article "dacryocystitis") inflammation and infection of the lacrimal sac, usually stemming from obstruction of the flow of tears into the nose. Tears leave the eye through small openings called puncta in the ...
Lacroix Peak
(from the article "Martinique") ...of Martinique takes the form of three principal massifs. These are an active volcano, Mount Pelee, which rises to 4,583 feet (1,397 metres), to the north; the Carbet Mountains, of ...
Lacroix, Alfred
French mineralogist whose Mineraux des roches (1888; "The Minerals of Rocks"), written with the geologist Albert Michel-Levy, was a pioneer study of the optical properties of rock-forming minerals.
lacrosse
(French: "the crosier"), competitive sport, modern version of the North American Indian game of baggataway, in which two teams of players use long-handled, racketlike implements (crosses) to catch, carry, or ... [3 Related Articles]
lactam
(from the article "carboxylic acid") Cyclic amides are called lactams. Their common names are derived in a manner similar to those of lactones, with the difference that the suffix -olactone is replaced by -olactam. Caprolactam ...
Lactantius
Christian apologist and one of the most reprinted of the Latin Church Fathers, whose Divinae institutiones ("Divine Precepts"), a classically styled philosophical refutation of early-4th-century anti-Christian tracts, was the first ... [4 Related Articles]
Lactarius
(from the article "Agaricales") ...the chanterelle; the similarity emphasizes the need for careful identification by the mushroom gatherer. Russula has about 750 species, many with caps of red, orange, yellow, or green. Lactarius has ...
Lactarius deliciosus
(from the article "Agaricales") ...gatherer. Russula has about 750 species, many with caps of red, orange, yellow, or green. Lactarius has milky (hence the name) or bluish juice; the genus contains the edible L. ...
lactase
any of a group of enzymes found in the small intestine, liver, and kidney of mammals that catalyze the breakdown of lactose (milk sugar) into the simple sugars glucose and ... [4 Related Articles]
lactase deficiency
(from the article "digestive system disease") Diarrhea is common in those who are deficient in lactase, the enzyme that splits lactose (milk sugar) into its component parts, glucose and galactose. Shortly after drinking milk, such persons ...
lactate
(from the article "metabolism") ...in reaction [10]. In certain bacteria (e.g., so-called lactic acid bacteria) or in muscle cells functioning vigorously in the absence of adequate supplies of oxygen, pyruvate is reduced to lactate ...
lactate dehydrogenase
(from the article "metabolism") ...(e.g., so-called lactic acid bacteria) or in muscle cells functioning vigorously in the absence of adequate supplies of oxygen, pyruvate is reduced to lactate via a reaction catalyzed by lactate ...
lactation
secretion and yielding of milk by females after giving birth. The milk is produced by the mammary glands, which are contained within the breasts. (See also mammary gland.) [5 Related Articles]
lacteal
(from the article "Aselli, Gaspare") Italian physician who contributed to the knowledge of the circulation of body fluids by discovering the lacteal vessels.
lactic acid
an organic compound belonging to the family of carboxylic acids, present in certain plant juices, in the blood and muscles of animals, and in the soil. It is the commonest ... [14 Related Articles]
lactic-acid bacterium
any member of several genera of gram-positive, rod- or sphere-shaped bacteria that produce lactic acid as the principal or sole end product of carbohydrate fermentation. Lactic-acid bacteria are aerotolerant anaerobes ... [1 Related Articles]
lactide
(from the article "carboxylic acid") ...acids all lose water upon heating, although the products are not the same. The 2-hydroxy acids form cyclic dimeric esters (formed by the esterification of two molecules of the acid) ...
Lactobacillus
a genus of rod-shaped, gram-positive, non-spore-forming bacteria of the family Lactobacillaceae, widely distributed in animal feeds, silage, manure, and milk and milk products. Lactobacillus delbrueckii, a typical species, is 0.5 ... [2 Related Articles]
Lactobacillus acidophilus
(from the article "dairy product") Many yogurt manufacturers have added Lactobacillus acidophilus to their bacterial cultures. L. acidophilus has possible health benefits in easing yeast infections and restoring normal bacterial balance to the intestinal tract ...
Lactobacillus casei
(from the article "nutrition") ...of amino acid antagonism, in which inhibition of growth by one amino acid is counteracted by another amino acid, are best explained by this mechanism. For example, under some conditions ...
lactone
any of a class of cyclic organic esters, usually formed by reaction of a carboxylic acid group with a hydroxyl group or halogen atom present in the same molecule. Commercially ... [2 Related Articles]
Lactoris fernandeziana
(from the article "Piperales") ...family, includes both woody vines and herbaceous species. Compared to other Piperales, the flowers are usually large, and some trap pollinating flies that are lured by unpleasant smells. Lactoris fernandeziana, ...
lactose
carbohydrate containing one molecule of glucose and one of galactose linked together. Composing about 2 to 8 percent of the milk of all mammals, lactose is sometimes called milk sugar. ... [11 Related Articles]
lactose intolerance
(from the article "dairy product") ...by the enzyme lactase. The glucose and galactose can then be absorbed from the digestive tract for use by the body. Individuals deficient in lactase cannot metabolize lactose, a condition ...
lactose-reduced milk
(from the article "dairy product") Many specialty milks are now available (even in remote areas) as a result of the 45-day refrigerated shelf life of ultrapasteurized milk. One of the most useful products, lactose-reduced milk, ...
lactosuria
(from the article "renal system") ...In some healthy persons, however, there may also be an abnormal amount of glucose in the urine because of a low threshold for tubular reabsorption, without any disturbance of glucose ...
lactotroph
(from the article "endocrine system, human") ...serving multiple roles in mediating the care of progeny (sometimes called the "parenting" hormone). Prolactin is a large protein molecule that is synthesized in and secreted from the lactotrophs, which ...
lactovegetarianism
(from the article "vegetarianism") ...Vegetarians who exclude animal products altogether (and likewise avoid animal-derived products such as leather, silk, and wool) are known as vegans. Those who use milk products are sometimes called lacto-vegetarians, ...
Lactuceae
(from the article "Asterales") Radiate, discoid, and disciform heads occur in various tribes of Asteraceae. The ligulate head, on the contrary, is almost entirely restricted to one tribe, Lactuceae (Cichorieae), and is found in ...
lacustrine ecosystem
any pond or lake viewed as an ecosystem. A riverine, or lotic, ecosystem, by contrast, has flowing water-e.g., a river or a stream. [3 Related Articles]
lacy period
(from the article "glassware") The first 25 years of pressed glass, 1825 to 1850, are referred to by collectors as the "lacy period." A milestone within this brief span occurred in 1830 with the ...
Lacy, Franz Moritz, Count von
field marshal who served under the empress Maria Theresa and her successors and who reorganized the Austrian army.
Lacy, Henry de, 3rd Earl of Lincoln
(from the article "Denbigh") market town, historic and present county of Denbighshire (Sir Ddinbych), Wales. After the English king Edward I conquered Wales, Henry de Lacy, 3rd earl of Lincoln, founded a borough there ...
Lacy, Jeff
(from the article "Boxing") IBF super middleweight titleholder Jeff Lacy (U.S.) impressed critics and fans alike with a trio of successful defenses. On March 5 he scored a seventh-round knockout of Rubin Williams (U.S.) ...
Lacy, Samuel Harold
American sportswriter (b. Oct. 23, 1903, Mystic, Conn.-d. May 8, 2003, Washington, D.C.), was an editor and columnist for the Afro-American Newspapers in Baltimore, Md., from 1943 until shortly before ...
Lacy, Steve
American musician and composer (b. July 23, 1934, New York, N.Y.-d. June 4, 2004, Boston, Mass.), helped introduce a neglected instrument, the soprano saxophone, into modern jazz in the mid-1950s, ... [1 Related Articles]
Lacy, Walter de
(from the article "Ulster, Hugh de Lacy, earl of") ...to Ireland with quasi-viceregal authority. In 1207 war broke out between the Earl of Ulster and the justiciar. This brought King John in person to Ireland, where he expelled the ...
Ladakh
large area of the northern and eastern Kashmir region, northwestern Indian subcontinent. Administratively, Ladakh is divided between Pakistan (northwest), as part of the Northern Areas, and India (southeast), as part ... [4 Related Articles]
Ladakh Range
segment of the Karakoram Range, extending southeastward for 230 miles (370 km) from the mouth of the Shyok River in northern Pakistan across northern India to the Tibetan (China) border. ...
Ladakhi
(from the article "Himalayas") The Champa, Ladakhi, Balti, and Dard peoples live to the north of the Great Himalayan Range in the Kashmir Himalayas. The Dard are Indo-European, while the others are Tibeto-Burman. The ...
Ladby-skibet
(from the article "Funen") ...agriculture (grains and sugar beets), gardening, dairy farming, and pig and cattle breeding. Stone Age burial chambers remain on the island, as well as numerous Viking relics, including the famous ...
Ladd, Alan
American motion picture actor most noted for roles in which he portrayed detectives, cowboys, and war heroes.
Ladd, Alan, Jr.
(from the article "1995: Best Picture") Other Nominees
Ladd, George Trumbull
philosopher and psychologist whose textbooks were influential in establishing experimental psychology in the United States. He called for a scientific psychology, but he viewed psychology as ancillary to philosophy.
Ladd-Franklin theory
(from the article "Ladd-Franklin, Christine") She is probably best-known for her work on colour vision. While studying in Germany in 1891-92, she developed the Ladd-Franklin theory, which emphasized the evolutionary development of increased differentiation in ...
Ladd-Franklin, Christine
nee Ladd American scientist and logician known for contributions to the theory of colour vision.
ladder dredge
(from the article "dredge") ...cables. In operation the bucket is dropped to the bottom, where it bites because of its weight and the action of the bucket-closing mechanism. A grab dredge can work at ...
ladder truck
(from the article "fire engine") ...feet, or 300 metres), and a water tank for use where a supply of water is not available. Specialized auxiliary vehicles were also soon developed, including water tank trucks for ...
ladder vein
(from the article "vein") Ladder veins are short, rather regularly spaced, roughly parallel fractures that traverse dikes (tabular bodies of igneous rocks) from wall to wall. Their width is restricted to the width of ...
ladder-back chair
chair with a tall back constructed of horizontal slats or spindles between two uprights. The type is utilitarian and often rustic; the seat is often of cane or rush.
Lade, battle of
(from the article "Anatolia") ...of the Greco-Persian Wars. Although the rebels found wide support in the Greek cities of the Propontis region, at the Bosporus, and in Caria, Lycia, and Cyprus, they lost the ...
Ladefoged, Peter Nielsen
British-born American linguist and phonetician (b. Sept. 17, 1925, Sutton, Eng.-d. Jan. 24, 2006, London, Eng.), traveled to remote villages around the world in an effort to record and analyze ...
Ladhon
(from the article "Arcadia") ...enclose a series of plains drained only by underground channels. The western plateau is more open, with isolated mountains through which wind the Alpheus River and its tributaries. One of ...
Ladhon Dam
(from the article "Alpheus River") ...is known as the Elisson, the Alpheus turns abruptly northwest and eventually empties into the Ionian Sea. Its main tributaries are the Ladhon and Erimanthos. The hydroelectric Ladhon Dam near ...
Ladies' Home Journal
American monthly magazine, one of the longest-running in the country and long the trendsetter among women's magazines. It was founded in 1883 as a women's supplement to the [3 Related Articles]
Ladies' Professional Golf Association
(from the article "Golf") ...figure in the women's professional game was Mexico's Lorena Ochoa, who took over from Annika Sorenstam as world number one, was the first woman to earn more than $3 million ...
ladies' tresses
any plant of the genus Spiranthes, family Orchidaceae, numbering as many as 30 species of orchids found in woods and grasslands throughout most of the world. Goodyera repens, an unrelated ...
Ladik carpet
handwoven floor covering usually in a prayer design and made in or near Ladik, a town in the Konya Plain of south-central Turkey. Ladik prayer rugs have either a high, ...
Ladin
(from the article "Ladinian Stage") ...Series, representing those rocks deposited worldwide during Ladinian time (237 million to 228 million years ago) in the Triassic Period. The stage name is derived from the Ladini people of ...
Ladin language
(from the article "Romance languages") In the Trento-Alto Adige region of northeastern Italy, some 30,000 persons speak Ladin. Some Italian scholars have claimed that it is really an Italian (Veneto-Lombard) dialect. The other main language ...