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heat of combustion

(Encyclopedia)heat of combustion, heat released during combustion. In particular, it is the amount of heat released when a given amount (usually 1 mole) of a combustible pure substance is burned to form incombustib...

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 18th cent. By th...

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 modern, portabl...

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 that secrete an...

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 are engaged in m...

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, condensed milk, and glo...

Vermont, University of

(Encyclopedia)Vermont, University of, officially named the Univ. of Vermont and State Agricultural College, at Burlington; land-grant and state supported; chartered 1791, opened 1800. The university has a state agr...

filtration

(Encyclopedia)filtration: see sewerage; water supply. ...

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 the Suez Canal, ...

Yarra

(Encyclopedia)Yarra, river, 115 mi (185 km) long, rising in the Great Dividing Range, S Victoria, Australia, and flowing generally westward through Melbourne to Port Phillip Bay. It is important to the water supply...