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neutralization

(Encyclopedia)neutralization, chemical reaction, according to the Arrhenius theory of acids and bases, in which a water solution of acid is mixed with a water solution of base to form a salt and water; this reactio...

Raoult's law

(Encyclopedia)Raoult's law räo͞olzˈ [key] [for F. M. Raoult, a French physicist and chemist] states that the addition of solute to a liquid lessens the tendency for the liquid to become a solid or a gas, i.e., r...

aqueduct

(Encyclopedia)aqueduct ăkˈwədŭkt [key] [Lat.,=conveyor of water], channel or trough built to convey water, chiefly for providing a densely populated region with a supply of freshwater. The flow in aqueducts is ...

Galilee, Sea of

(Encyclopedia)Galilee, Sea of, Lake Tiberias kĭnˈərĕtˌ [key], lake, 64 sq mi (166 sq km), 14 mi (23 km) long, and 3 to 7 mi (4.8–11.3 km) wide, NE Israel; its surface is c.700 ft (210 m) below sea level. Th...

Delaware, river, United States

(Encyclopedia)Delaware dĕlˈəwâr, –wər [key], river, c.280 mi (450 km) long, rising in the Catskill Mts., SE N.Y., in east and west branches, which meet at Hancock. It flows SE along the New York–Pennsylvan...

phase diagram

(Encyclopedia)CE5 Phase diagram for a substance, like water, which expands on freezing phase diagram, graph that shows the relation between the solid, liquid, and gaseous states of a substance (see states of ma...

boric acid

(Encyclopedia)boric acid, any one of the three chemical compounds, orthoboric (or boracic) acid, metaboric acid, and tetraboric (or pyroboric) acid; the term often refers simply to orthoboric acid. The acids may be...

Thirlmere

(Encyclopedia)Thirlmere, lake, c.3 mi (5 km) long, in the Lake District, Cumbria, NW England, near Keswick. In 1894, through the construction of a high dam (which raised the water level c.50 ft/15 m) and an aqueduc...

aquaculture

(Encyclopedia)aquaculture, the raising and harvesting of fresh- and saltwater plants and animals. The most economically important form of aquaculture is fish farming, an industry that accounts for an ever increasin...

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...