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De Vinne, Theodore Low

(Encyclopedia) De Vinne, Theodore LowDe Vinne, Theodore Lowdə vĭnˈē [key], 1828–1914, American printer, b. Stamford, Conn. He learned his trade in the office of the Newburgh (N.Y.) Gazette and in…

electrode

(Encyclopedia) electrode, terminal through which electric current passes between metallic and nonmetallic parts of an electric circuit. In most familiar circuits current is carried by metallic…

function

(Encyclopedia) function, in mathematics, a relation f that assigns to each member x of some set X a corresponding member y of some set Y; y is said to be a function of x, usually denoted f(x) (read “…

Bodoni, Giambattista

(Encyclopedia) Bodoni, GiambattistaBodoni, Giambattistajämbät-tēˈstä bōdōˈnē [key], 1740–1813, Italian printer b. Piedmont. He was the son of a printer and worked for a time at the press of the…

airfoil

(Encyclopedia) airfoil, surface designed to develop a desired force by reaction with a fluid, especially air, that is flowing across the surface. For example, the fixed wing surfaces of an airplane…

center of mass

(Encyclopedia) center of mass, the point at which all the mass of a body may be considered to be concentrated in analyzing its motion. The center of mass of a sphere of uniform density coincides with…

air lock

(Encyclopedia) air lock, compartment connecting two different environments, usually at different pressures, that enables personnel to transfer from one environment to the other. Space capsules have…

caryatid

(Encyclopedia) CE5 Caryatid caryatidcaryatidkărˌēătˈĭd, kărˈēətĭdˌ [key], a sculptured female figure serving as an ornamental support in place of a column or pilaster. It was a frequently used…

adrenocorticotropic hormone

(Encyclopedia) adrenocorticotropic hormoneadrenocorticotropic hormoneədrēˈnōkôrˌtəkōtrŏpˈĭk [key], polypeptide hormone secreted by the anterior pituitary gland. Its chief function is to stimulate the…

Westminster Palace

(Encyclopedia) Westminster Palace or Houses of Parliament, in Westminster, London. The present enormous structure, of Neo-Gothic design, was built (1840–60) by Sir Charles Barry to replace an…