Columbia Encyclopedia

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herbal medicine

(Encyclopedia)herbal medicine, use of natural plant substances (botanicals) to treat and prevent illness. The practice has existed since prehistoric times and flourishes today as the primary form of medicine for pe...

blood bank

(Encyclopedia)blood bank, site or mobile unit for collecting, processing, typing, and storing whole blood, blood plasma and other blood constituents. Most hospitals maintain their own blood reserves, and the Americ...

Munich, Technical University of

(Encyclopedia)Munich, Technical University of, at Munich, Germany; founded 1868 by King Ludwig II, acquired its present name 1970. It has three main campuses, with faculties of architecture, business administration...

Justice, United States Department of

(Encyclopedia)Justice, United States Department of, federal executive department established in 1870 and charged with providing the means for enforcing federal laws, furnishing legal counsel in federal cases, and c...

smoking

(Encyclopedia)smoking, inhalation and exhalation of the fumes of burning tobacco in cigars and cigarettes and pipes; in the 21st cent., vaping, the similar use of e-cigarettes, also has become common. Some persons ...

heroin

(Encyclopedia)heroin hĕˈrəwən [key], opiate drug synthesized from morphine (see narcotic). Originally produced in 1874, it was thought to be not only nonaddictive but useful as a cure for respiratory illness an...

tuberculosis

(Encyclopedia)tuberculosis (TB), contagious, wasting disease caused by any of several mycobacteria. The most common form of the disease is tuberculosis of the lungs (pulmonary consumption, or phthisis), but the int...

Mars, family of American food manufacturers

(Encyclopedia)Mars, family of American food manufacturers. Franklin Clarence Mars, 1882–1934, b. Hancock, Minn., was a chocolate manufacturer who produced candy at home before opening a candy factory (1911) in Ta...

hives

(Encyclopedia)hives (urticaria), rash consisting of blotches or localized swellings (wheals) of the skin, caused by an allergic reaction (see allergy). The swelling is caused by distention of the skin capillaries a...

Medellín

(Encyclopedia)Medellín māᵺāyēnˈ [key], city (1993 pop. 1,551,160), capital of Antioquia dept., W central Colombia. It is the country's chief manufacturing center. Textiles, steel, flowers, food products, aut...