Columbia Encyclopedia

(Encyclopedia) art nouveau ärˌ no͞ovōˈ [key], decorative-art movement centered in Western Europe. It began in the 1880s as a reaction against the historical emphasis of mid-19th-century art, but did not survive...

(Encyclopedia) Lyme disease or Lyme borreliosis, a nonfatal bacterial infection that causes symptoms ranging from fever and headache to a painful swelling of the joints. The first American case of Lyme's characteris...

(Encyclopedia) Narayan, R. K. (Rasipuram Krishnaswami Narayan) nərīˈyän [key], 1906–2001, Indian novelist, b. Madras (now Chennai). Narayan, who wrote in English, published his first novel, Swami and Friends, ...

(Encyclopedia) Madonna (Madonna Louise Ciccone) mədŏnˈə, chĭkōˈnē [key], 1958–, American p...

(Encyclopedia) Mallarmé, Stéphane stāfänˈ mälärmāˈ [key], 1842–98, French poet. Mallarmé's great importance is as the chief forebear of the symbolists; the influence of his poetry was particularly felt b...

(Encyclopedia) medal, a piece of metal, cast or struck, often coin-shaped. The obverse and reverse bear bas-relief and inscription. Commemorative medals are issued in memory of a notable person or event. Civil and m...

(Encyclopedia) biology, the science that deals with living things. It is broadly divided into zoology, the study of animal life, and botany, the study of plant life. Subdivisions of each of these sciences include cy...

(Encyclopedia) revolution, in a political sense, fundamental and violent change in the values, political institutions, social structure, leadership, and policies of a society. The totality of change implicit in this...

(Encyclopedia) Dick, Philip K. (Philip Kindred Dick), 1928–82, American science-fiction writer, b. Chicago. Dick often wrote of the psychological states of individuals caught in altered realities where the everyda...

(Encyclopedia) combustion, rapid chemical reaction of two or more substances with a characteristic liberation of heat and light; it is commonly called burning. The burning of a fuel (e.g., wood, coal, oil, or natura...