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Mission Trail

(Encyclopedia)Mission Trail: see Camino Real, El. ...

complex variable analysis

(Encyclopedia)complex variable analysis, branch of mathematics that deals with the calculus of functions of a complex variable, i.e., a variable of the form z=x+iy, where x and y are real and i=−1 (see number). A...

quaternion

(Encyclopedia)quaternion kwətûrˈnēən [key], in mathematics, a type of higher complex number first suggested by Sir William R. Hamilton in 1843. A complex number is a number of the form a+bi when a and b are re...

Daimiel

(Encyclopedia)Daimiel dīmyĕlˈ [key], town, Ciudad Real prov., central Spain, in Castile–La Mancha. It ...

Liberty Bell

(Encyclopedia)Liberty Bell, historic relic in Independence National Historical Park, Philadelphia. First hung in Independence Hall in 1753, it bore the inscription, “Proclaim Liberty throughout all the Land unto ...

gas laws

(Encyclopedia)gas laws, physical laws describing the behavior of a gas under various conditions of pressure, volume, and temperature. Experimental results indicate that all real gases behave in approximately the sa...

Sundarbans

(Encyclopedia)Sundarbans, large, heavily forested swamp region, c.3,860 sq mi (10,000 sq km), in the S Ganges delta on the Bay of Bengal, about 60% in SW Bangladesh and the rest in West Bengal state, India. The mor...

gift

(Encyclopedia)gift, in law, voluntary transfer of property from one person to another without any compensation for it and without any obligation of an agreement or contract. The one who gives is the donor; the one ...

Visby

(Encyclopedia)Visby wĭzˈbē [key], city (1990 pop. 20,990), capital of Gotland co., SE Sweden, on Gotland Island and on the Baltic Sea. It is an industrial center and a popular resort and has a modern ice-free po...

Ronstadt, Linda

(Encyclopedia)Ronstadt, Linda (Linda Maria Ronstadt), 1946–, American singer, b. Tucson, Ariz. She is known for the clarity and strength of her soprano voice and for the range of song genres in which she performe...