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ether, in physics and astronomy
(Encyclopedia) ether or aether, in physics and astronomy, a hypothetical medium for transmitting light and heat (radiation), filling all unoccupied space; it is also called luminiferous ether. In…Warm Springs
(Encyclopedia) Warm Springs, resort, Meriwether co., W Ga. The salutary properties of the water springing from Pine Mt. were known to Native Americans, and white settlers learned of them in the late…parchment
(Encyclopedia) parchment, untanned skins of animals, especially of the sheep, calf, and goat, prepared for use as a writing material. The name is a corruption of Pergamum, the ancient city of Asia…osprey
(Encyclopedia) ospreyospreyŏsˈprē [key], common name for a fish-eating bird of prey found near water in most parts of the world. The osprey, or fish hawk, Pandion haliaetus, has brown upperparts and…refrigeration
(Encyclopedia) CE5 Compression system of refrigeration refrigeration, process for drawing heat from substances to lower their temperature, often for purposes of preservation. Refrigeration in its…coral reefs
(Encyclopedia) coral reefs, limestone formations produced by living organisms, found in shallow, tropical marine waters. In most reefs, the predominant organisms are stony corals, colonial cnidarians…public health
(Encyclopedia) public health, field of medicine and hygiene dealing with the prevention of disease and the promotion of health by government agencies. In the United States, public health authorities…Jamestown, town, St. Helena
(Encyclopedia) Jamestown, town, port, and capital (1998 pop. 864) of Saint Helena, in the S Atlantic. Once a busy coaling station on the East India route, it lost its importance after the opening of…filtration
(Encyclopedia) filtration: see sewerage; water supply.Tipperary , town, Republic of Ireland
(Encyclopedia) Tipperary, town (1991 pop. 4,963), seat of Co. Tipperary, S central Republic of Ireland. The center of a rich agricultural region, it is a farm market. Linoleum, mineral water,…Trending
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