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Cannock

(Encyclopedia) Cannock Cannock kănˈək [key], city, Staffordshire, W central England. It was a mining town…

sodium hydroxide

(Encyclopedia) sodium hydroxide, chemical compound, NaOH, a white crystalline substance that readily absorbs carbon dioxide and moisture from the air. It is very soluble in water, alcohol, and…

foie gras

(Encyclopedia) foie grasfoie grasfwä grä [key] [Fr.,=fat liver], livers of artificially fattened geese. Ducks and chickens are also sometimes used in the making of foie gras. The birds, kept in close…

Bronfman, Edgar Miles, Sr.

(Encyclopedia) Bronfman, Edgar Miles, Sr. 1929–2013, Canadian-American business executive and philanthropist, b. Montreal, grad. McGill Univ. (1951). He was the eldest son of Samuel Bronfman, 1889–…

gelatin

(Encyclopedia) gelatin or animal jelly, foodstuff obtained from connective tissue (found in hoofs, bones, tendons, ligaments, and cartilage) of vertebrate animals by the action of boiling water or…

Salt, Sir Titus

(Encyclopedia) Salt, Sir Titus, 1803–76, English textile manufacturer and inventor. He invented a machine for making worsted from coarse wool and a process for spinning and weaving alpaca. In 1851 he…

Arrowsmith, Aaron

(Encyclopedia) Arrowsmith, Aaron, 1750–1823, English cartographer and geographer. He founded the map-making and publishing business carried on by his sons and by his nephew John Arrowsmith, 1790–1873…

Teflon

(Encyclopedia) Teflon, trade name for a solid, chemically inert polymer of tetrafluoroethylene (C2F4), F2C=CF2. Stable up to temperatures around 572℉ (300℃), Teflon is used in electrical insulation,…

Koltsov, Aleksey Vasilyevich

(Encyclopedia) Koltsov, Aleksey VasilyevichKoltsov, Aleksey Vasilyevichəlyĭksyāˈ vəsēˈlyəvĭch kəltsôfˈ [key], 1809–42, Russian poet. Although he had little formal education, he studied great works of…

Guthrie, Samuel

(Encyclopedia) Guthrie, Samuel, 1782–1848, American physician, b. Brimfield, Mass. In Sackets Harbor, N.Y., where he settled after serving as surgeon in the War of 1812, he invented a percussion…