Columbia Encyclopedia

Search results

500 results found

Sharif, Nawaz

(Encyclopedia)Sharif, Nawaz näwäzˈ shärēfˈ [key], 1949–, Pakistani politician; grad. Government College, Lahore; Punjab Univ. Law College. Born into a prominent Lahore business family, he was by 1980 direct...

communicable diseases

(Encyclopedia)communicable diseases, illnesses caused by microorganisms and transmitted from an infected person or animal to another person or animal. Some diseases are passed on by direct or indirect contact with ...

gear

(Encyclopedia)CE5 Types of gears gear, toothed wheel, cylinder, or cone that transmits motion from one part of a machine to another; it is one of the oldest means of transmitting motion. When the teeth of two g...

German Confederation

(Encyclopedia)CE5 German Confederation (1815) German Confederation, 1815–66, union of German states provided for at the Congress of Vienna to replace the old Holy Roman Empire, which had been destroyed during...

diffraction

(Encyclopedia)diffraction, bending of waves around the edge of an obstacle. When light strikes an opaque body, for instance, a shadow forms on the side of the body that is shielded from the light source. Ordinarily...

executive order

(Encyclopedia)executive order, in the United States, official document initiated and signed by the president containing directives concerning how the executive branch shall carry out its responsibilities under the ...

executors and administrators

(Encyclopedia)executors and administrators. An executor is the person designated in the will of a deceased person to carry out the provisions of the will. An administrator is the person appointed by a probate court...

Granger movement

(Encyclopedia)Granger movement, American agrarian movement taking its name from the National Grange of the Patrons of Husbandry, an organization founded in 1867 by Oliver H. Kelley and six associates. Its local uni...

typewriter

(Encyclopedia)typewriter, instrument for producing by manual operation characters similar to those of printing. Corresponding to each key on the instrument's keyboard is a steel type. Activated through a series of ...

Poison Affair

(Encyclopedia)Poison Affair, in French history, scandal implicating a number of prominent persons at the court of King Louis XIV. It began with the trial of Marie Madeleine d'Aubray, marquise de Brinvilliers (c.163...