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Denmark Strait

(Encyclopedia)Denmark Strait, passage, c.300 mi (480 km) long and 180 mi (290 km) wide at the narrowest point, between Greenland and Iceland. The cold E Greenland current passes through the strait and carries icebe...

hydrogen peroxide

(Encyclopedia)hydrogen peroxide, chemical compound, H2O2, a colorless, syrupy liquid that is a strong oxidizing agent and, in water solution, a weak acid. It is miscible with cold water and is soluble in alcohol an...

dark matter

(Encyclopedia)dark matter, material that is believed to make up nearly 27% of the mass of the universe but is not readily visible because it neither emits nor reflects electromagnetic radiation, such as light or ra...

Butler, Benjamin Franklin, 1818–93, American politician and Union general in the Civil War

(Encyclopedia)Butler, Benjamin Franklin, 1818–93, American politician and Union general in the Civil War, b. Deerfield, N.H. He moved to Lowell, Mass., as a youth and later practiced law there and in Boston. He w...

Grand Banks

(Encyclopedia)Grand Banks, submarine plateau rising from the continental shelf, c.36,000 sq mi (93,200 sq km), off SE Newfoundland, N.L., Canada. It is c.300 mi (480 km) long and c.400 mi (640 km) wide; depths rang...

vulcanization

(Encyclopedia)vulcanization vŭlˌkənəzāˈshən [key], treatment of rubber to give it certain qualities, e.g., strength, elasticity, and resistance to solvents, and to render it impervious to moderate heat and c...

Radio Free Europe

(Encyclopedia)Radio Free Europe (RFE), broadcasting organization established in 1950 with the stated mission of promoting democratic values and institutions. Its original purpose was to broadcast news to countries ...

Timmins

(Encyclopedia)Timmins, town (1991 pop. 47,461), central Ont., Canada, on the Mattagami River. Timmins is the commercial center of the rich Porcupine gold-mining district, where gold was first discovered in 1909. Si...

grog

(Encyclopedia)grog, originally a mixture of rum and water. It is named after Admiral Grogram Vernon, who first ordered the dilution of the British Royal Navy's daily rum ration. The term is now applied to almost an...

Kapuskasing

(Encyclopedia)Kapuskasing kăpəskāˈsĭng [key], town (1991 pop. 10,344), central Ont., Canada, on the Kapuskasing River, N of Timmins. It has lumbering and pulp and paper mills, a cold-weather automotive testing...