lake in central Alberta, Canada, 130 miles (209 km) northwest of Edmonton and 400 miles (640 km) south of Great Slave Lake (in the Northwest Territories). It is 60 miles ...
German dramatist, critic, and writer on philosophy and aesthetics. He helped free German drama from the influence of classical and French models and wrote the first German plays of lasting ...
(Sanskrit: "light," "tint"), according to Jainism, a religion of India, the special aura of the soul that can be described in terms of colour, scent, touch, and taste and that ...
town ("parish"), North Hertfordshire district, administrative and historic county of Hertfordshire, England, located north of London. Britain's first planned "garden city," much copied elsewhere, it was founded in 1903 by ...
city, southern Alberta, Canada, lying on the Oldman River near its junction with the St. Mary River, in the foothills of the Canadian Rockies 135 miles (217 km) south-southeast of ...
(Greek: "Oblivion"), in Greek mythology, daughter of Eris (Strife) and the personification of oblivion. Lethe is also the name of a river or plain in the infernal regions.
in classical mythology, a Titan, the daughter of Coeus and Phoebe, and mother of the god Apollo and the goddess Artemis. The chief places of her legend were Delos and ...
in commercial printing, process by which many copies of an image are produced by repeated direct impression of an inked, raised surface against sheets or a continuous roll of paper. ...
lieutenant colonel commanding Germany's small African force during World War I, who became a determined and resourceful guerrilla leader hoping to influence the war in Europe by pinning down a ...
(Lactuca sativa), cultivated annual salad plant, probably derived from the prickly lettuce (L. scariola) of the family Asteraceae. Four botanical varieties of lettuce are cultivated: (1) asparagus lettuce (variety asparagina), ...
Greek island in the Ionian Sea, forming with the island of Meganisi the nomos (department) of Levkas. The 117-sq-mi (303-sq-km) island is a hilly mass of limestone and bituminous shales ...
an amino acid obtainable by the hydrolysis of most common proteins. Among the first of the amino acids to be discovered (1819), in muscle fibre and wool, it is present ...
Greek philosopher credited by Aristotle and by Theophrastus with having originated the theory of atomism. It has been difficult to distinguish his contribution from that of his most famous pupil, ...
one of the most important feldspathoid minerals, a potassium aluminosilicate (KAlSi2O6). It occurs only in igneous rocks, particularly potassium-rich, silica-poor, recent lavas. Some important localities include Rome; Uganda; and Leucite ...
extrusive igneous rock, coloured ash gray to nearly black, that contains leucite and augite as large, single crystals (phenocrysts) in a fine-grained matrix (groundmass) of leucite, augite, sanidine, apatite, sphene, ...
German zoologist and teacher who initiated the modern science of parasitology. He described the complicated life histories of various parasites, including tapeworms and the liver fluke, and demonstrated that some ...
genus of tubular branched sponges of the class Calcispongiae (phylum Porifera). Found in tide pools and on wharves and represented by numerous species, the widespread genus includes most of the ...
(Greek: White Goddess [of the Foam]), in Greek mythology, a sea goddess first mentioned in Homer's Odyssey, in which she rescued the Greek hero Odysseus from drowning. She was customarily ...
genus of about 50 species of shrubs, of the heath family (Ericaceae), native to North and South America and eastern Asia. Many species are grown as ornamentals, chiefly for their ...
(371 BC), battle fought on the plain of Leuctra (near modern Levktra) in southern Boeotia, in which a Boeotian army under Epaminondas defeated a Spartan army under King Cleombrotus. This ...
Swiss peasant hero, spokesman for rural discontent, and leader of the peasant revolt at Bern (1653), for which he earned the sobriquet King of the Peasants.
a cancer of the blood-forming tissues characterized by a large increase in the numbers of white blood cells (leukocytes) in the circulation or bone marrow. A number of different leukemias ...
a cellular component of the blood that lacks hemoglobin, has a nucleus, is capable of motility, and defends the body against infection and disease by ingesting foreign materials and cellular ...
abnormally high number of white blood cells (leukocytes) in the blood circulation, defined, for statistical purposes, as more than 10,000 leukocytes per cubic millimetre of blood. Leukocytosis commonly occurs after ...
abnormally low number of white blood cells (leukocytes) in the blood circulation, defined, for statistical purposes, as less than 5,000 leukocytes per cubic millimetre of blood. Leukopenia often accompanies certain ...
precancerous tumour of the mucous membranes, most common in older men and usually seen on the lips or tongue, but also known to occur in women on the vagina or ...
abnormal flow of a whitish or yellowish discharge from the vagina of the female. Such discharges may originate from the vagina, ovaries, fallopian tubes, or, most commonly, the cervix. The ...
German-born American historical painter whose picture Washington Crossing the Delaware (1851) numbers among the most popular and widely reproduced images of an American historical event.
city, Hauts-de-Seine departement, Paris region, France. The city is a northwestern industrial and residential suburb of Paris and is located on the right bank of the Seine River, 4 miles ...
toolmaking technique of prehistoric Europe and Africa, characterized by the production of large flakes from a tortoise core (prepared core shaped much like an inverted tortoise shell). Such flakes, seldom ...
(from the French lever, "to rise," as in sunrise, meaning the east), historically the countries along the eastern Mediterranean shores. Common use of the term is associated with Venetian and ...
strong wind of the western Mediterranean Sea and the southern coasts of France and Spain. It is mild, damp, and rainy and is most common in spring and fall. Its ...
any of the muscles that raise a body part. In humans these include the levator anguli oris, which raises the corner of the mouth; the levator ani, collective name for ...
any low ridge or earthen embankment built along the edges of a stream or river channel to prevent flooding of the adjacent land. Artificial levees are typically needed to control ...
device for establishing a horizontal plane. It consists of a small glass tube containing alcohol or similar liquid and an air bubble; the tube is sealed and fixed horizontally in ...
member of a republican and democratic faction in England during the period of the Civil Wars and Commonwealth. The name Levelers was given by enemies of the movement to suggest ...
commander of the Scottish army that from 1644 to 1646 fought on the side of Parliament in the English Civil Wars between Parliament and King Charles I.
lake in Perth and Kinross council area, central Scotland, at the centre of the historic county of Kinross-shire. Roughly circular in shape and about 3 miles (5 km) in diameter, ...
simple machine used to amplify physical force. All early people used the lever in some form, for moving heavy stones or as digging sticks for land cultivation. The principle of ...
in Port Sunlight, a model village founded for workers in Bebington, Cheshire (now in Merseyside), Eng. The museum was a gift to the public of the 1st Viscount Leverhulme, as ...
city, North Rhine-Westphalia Land (state), west-central Germany. It lies on the Rhine River at the mouth of the Wupper River, in the Dhunn valley, just north of ...
world's largest maker of pants, noted especially for its blue denim jeans called Levi's (registered trademark). It also manufactures tailored slacks, jackets, hats, shirts, skirts, and belts and licenses the ...
Italian writer, painter, and political journalist whose first documentary novel became an international literary sensation and enhanced the trend toward social realism in postwar Italian literature.
Italian-Jewish writer and chemist, noted for his restrained and moving autobiographical account of and reflections on survival in the Nazi concentration camps.
Italian mathematician known for his work in differential calculus and relativity theory. At the University of Padua (1891-95), he studied under Gregorio Ricci Curbastro, with whom he later collaborated in ...
neurologist who, with biochemist Stanley Cohen, shared the Nobel Prize for Physiology or Medicine in 1986 for her discovery of a bodily substance that stimulates and influences the growth of ...
French social anthropologist and leading exponent of structuralism, a name applied to the analysis of cultural systems (e.g., kinship and mythical systems) in terms of the structural relations among their ...
in Jewish mythology, a primordial sea serpent. Its source is in prebiblical Mesopotamian myth, especially that of the sea monster in the Ugaritic myth of Baal (see Yamm). In the ...
French philosopher renowned for his powerful critique of the preeminence of ontology (the philosophical study of being) in the history of Western philosophy, particularly in the work of the German ...
custom or law decreeing a dead man's brother to be the preferred, and in rare cases the mandatory, marriage partner of the widow. The term comes from the Latin levir, ...
city, Chaudiere-Appalaches region, southern Quebec province, Canada, on the south shore of the St. Lawrence River, opposite the city of Quebec, with which it is linked by ferry. The settlement, ...
German-born Jewish grammarian whose writings and teaching furthered the study of Hebrew in European Christendom at a time of widespread hostility toward the Jews.
rising of a human body off the ground, in apparent defiance of the law of gravity. The term designates such alleged occurrences in the lives of saints and of spiritualist ...
member of a group of clans of religious functionaries in ancient Israel who apparently were given a special religious status, conjecturally for slaughtering idolaters of the golden calf during the ...
' (And He Called), the third book of the Latin Vulgate Bible, the name of which designates its contents as a book (or manual) primarily concerned with the priests and ...
Ukrainian Realist novelist of the postserfdom reform period. He drew upon his background as a seminary student and, later, a provincial teacher, to depict the educated and lower classes in ...
