foodstuff grown or developed for livestock and poultry, selected and prepared to provide highly nutritional diets that both maintain the health of the animals and increase the quality of such end products as meat, milk, or eggs. Many of the ...
in biology, a response within a system (molecule, cell, organism, or population) that influences the continued activity or productivity of that system. In essence, it is the control of a biological reaction by the end products of that reaction.
in enzymology, suppression of the activity of an enzyme, participating in a sequence of reactions by which a substance is synthesized, by a product of that sequence. When the product accumulates in a cell beyond an optimal amount, its production ...
any action of an animal that is directed toward the procurement of nutrients. The variety of means of procuring food reflects the diversity of foods used and the myriad of animal types.
in psychology, the perception of events within the body, closely related to emotion. The term feeling is a verbal noun denoting the action of the verb to feel, which derives etymologically from the Middle English verb felen, "to perceive by ...
a religious rite practiced by the hierarchy of the Roman Catholic church on Maundy Thursday of Holy Week (preceding Easter) and by members of some other Christian denominations in their worship services.
American cartoonist and writer who became famous for his "Feiffer," a satirical cartoon strip notable for its emphasis on very literate captions. The verbal elements usually took the form of monologues in which the speaker (sometimes pathetic, sometimes pompous) exposed ...
(species Feijoa sellowiana), small tree of the family Myrtaceae, related to the guava and often called pineapple guava. It is native to southern Brazil, Paraguay, Uruguay, and parts of Argentina and is cultivated in mild, dry climates for its fruit. ...
the national dish of Brazil, black beans cooked with fresh and smoked meats and accompanied by traditional side dishes. The modern feijoada completa is an elaborated version of a simple dish of beans flavoured with meat. Most commonly smoked tongue, ...
American artist whose paintings and teaching activities at the Bauhaus brought a new compositional discipline and lyrical use of colour into the predominantly Expressionistic art of Germany.
city, northeastern Bahia state, northeastern Brazil. It lies between the Jacuipe and Pojuca rivers, at 820 feet (250 metres) above sea level. Formerly spelled Feira de Sant' Anna, it was given city status in 1873 and was known for its ...
megye (county), central Hungary, occupying an area of 1,689 square miles (4,374 square km). It is the nation's major producer of corn (maize). The southern half of Fejer lies in the Mezofold, a rolling fertile area of loess soils where ...
town, Bundesland (federal province) Vorarlberg, western Austria. It lies along the Ill River, near the Liechtenstein border, about 48 miles (77 km) east-southeast of Zurich, Switzerland. First mentioned as Veldkirichae (Veldkirichum) in 830, the settlement belonged to ...
any of a group of aluminosilicate minerals that contain calcium, sodium, or potassium. Feldspars make up more than 50 percent of the Earth's crust, and professional literature about them constitutes a large percentage of the literature of mineralogy.
any of a group of alkali aluminosilicate minerals similar to the feldspars in chemical composition but either having a lower silica-alkali ratio or containing chloride, sulfide, sulfate, or carbonate. They are considered to be the specific minerals of igneous rocks ...
association organized in the 19th century for the maintenance of the Provencal customs and language that stimulated the renaissance of the literature, language, and customs of the whole of southern France. The Felibrige was founded in 1854 by seven poets-Joseph ...
Roman goddess of good luck to whom a temple was first built in the mid-2nd century BC. She became the special protector of successful commanders. Caesar planned to erect another temple to her, and it was built by the triumvir ...
any of 37 cat species that among others include the cheetah, puma, jaguar, leopard, lion, lynx, tiger, and domestic cat. Cats are native to almost every region on Earth, with the exception of Australia and Antarctica. They are carnivorous mammals ...
viral disease of cats, kittens two to six months old being most susceptible. About 3 to 10 days after exposure to the disease, infected kittens cough and sneeze, have running eyes and nose, are feverish, lose their appetites, vomit, and ...
viral disease of cats, one of the most serious diseases affecting small domestic animals. Symptoms include enlargement of the lymph nodes, depression, emaciation, and, frequently, diarrhea; there is no known treatment, and the outcome is usually fatal. A fluorescent antibody ...
a complex of viral contagions of cats (including rhinotracheitis, pneumonitis, and influenza), marked by fever, sneezing, and running eyes and nose. Rhinotracheitis and pneumonitis are the most common and have identical symptoms. Mortality is low, but recovery from severe cases ...
antipope from 355 to 358. Originally an archdeacon, Felix was irregularly installed as pope in 355 after the emperor Constantius banished the reigning pope, Liberius. In May 357 the Roman laity, which had remained faithful to Liberius, demanded that Constantius ...
pope from 269 to 274. Elected to succeed St. Dionysius, Felix was the author of an important dogmatic letter on the unity of Christ's Person. He received the emperor Aurelian's aid in settling a theological dispute between the anti-Trinitarian Paul ...
pope from 483 to 492. He succeeded St. Simplicius on March 13. Felix excommunicated Acacius, patriarch of Constantinople, in 484 for publishing with the emperor Zeno a document called the Henotikon, which appeared to favour Monophysitism, a doctrine that had ...
pope from 526 to 530. He was elected on July 12 as the choice of Theodoric the Great, king of the Ostrogoths, who had imprisoned Felix' predecessor, St. John I, and who died shortly after Felix' consecration. The new pope ...
legendary religious hermit who, with St. John of Matha, has traditionally been considered a cofounder of the Trinitarians, a Roman Catholic religious order. Felix' existence is known only from a spurious history of the order compiled in the 15th century.
town ("parish") and seaport, Suffolk Coastal district, administrative and historic county of Suffolk, England. Although situated on the east coast, the town in fact faces south and has a frontage to the estuary of the River Orwell opposite Harwich. Felixstowe ...
American professional baseball player, a right-handed pitcher whose fastball made him a frequent leader in games won and strikeouts during his 18-year career with the Cleveland Indians of the American League.
town, Gateshead metropolitan borough, metropolitan county of Tyne and Wear, England. It lies on the south bank of the River Tyne. The town grew rapidly at the end of the 18th and the beginning of the 19th century with the ...
Italian film director who was one of the most celebrated and distinctive filmmakers of the period after World War II. Early in his career he helped inaugurate the Neorealist cinema movement, but he soon developed his own distinctive style of ...
originally, a writer in the Soviet Union who was not against the Bolshevik Revolution of 1917 but did not actively support it as a propagandist. The term was used in this sense by Leon Trotsky in Literature and the Revolution ...
English archaeologist who discovered ruins of the cities of Lycia-in antiquity a region of present-day southwestern Turkey-and transported a large number of marble sculptures to England.
English essayist and poet, best known for his essays Resolves Divine, Morall, and Politicall, in which the striking images (some borrowed by the poet Henry Vaughan) are held to be more original than the ideas.
(German: "sea of rock"), exposed rock surfaces that have been quickly broken up by frost action so that much rock is buried under a cover of angular shattered boulders. These mantles principally occur in Arctic regions and high mountain areas. ...