Columbia Encyclopedia

Search results

209 results found

Delacroix, Eugène

(Encyclopedia)Delacroix, Eugène (Ferdinand-Victor-Eugène Delacroix) fĕrdēnäNˈ-vēktôrˈ-özhĕnˈ dəläkrwäˈ [key], 1798–1863, French painter. Delacroix is considered the foremost painter of the romanti...

dengue fever

(Encyclopedia)dengue fever dĕngˈgē, –gā [key], acute infectious disease caused by four closely related viruses and transmitted by the bite of the female Aedes mosquito; it is also known as breakbone fever and...

depression, in economics

(Encyclopedia)depression, in economics, period of economic crisis in commerce, finance, and industry, characterized by falling prices, restriction of credit, low output and investment, numerous bankruptcies, and a ...

dermatitis

(Encyclopedia)dermatitis dûrˌmətīˈtĭs [key], nonspecific irritation of the skin. The causative agent may be a bacterium, fungus, or parasite; it can also be a foreign substance, known as an allergen. Contact ...

diphtheria

(Encyclopedia)diphtheria dĭfthērˈēə [key], acute contagious disease caused by Corynebacterium diphtheriae (Klebs-Loffler bacillus) bacteria that have been infected by a bacteriophage. It begins as a soreness o...

disarmament, nuclear

(Encyclopedia)disarmament, nuclear, the reduction and limitation of the various nuclear weapons in the military forces of the world's nations. The atomic bombs dropped (1945) on Japan by the United States in World ...

disease

(Encyclopedia)disease, impairment of the normal state or functioning of the body as a whole or of any of its parts. Some diseases are acute, producing severe symptoms that terminate after a short time, e.g., pneumo...

dog

(Encyclopedia)CE5 General anatomy of a dog dog, carnivorous, domesticated wolf (Canis lupus familiaris) of the family Canidae, to which the jackal, fox, and tanuki also belong. The family Canidae is sometimes r...

Fernández de Moratín, Leandro

(Encyclopedia)Fernández de Moratín, Leandro lāänˈdrō fārnänˈdāth dā mōrātēnˈ [key], 1760–1828, Spanish dramatist and poet. A supporter of Joseph Bonaparte, he lived in exile in France after Bonapar...

Fitz, Reginald Heber

(Encyclopedia)Fitz, Reginald Heber, 1843–1913, American pathologist, b. Chelsea, Mass., M.D. Harvard, 1868. He studied under Virchow, and in 1870 he returned to Harvard, where he introduced Virchow's methods and ...