Columbia Encyclopedia

Search results

500 results found

Thoroughbred horse

(Encyclopedia)Thoroughbred horse, breed of light horse more properly known as the English running horse. As its name implies, it was the first pedigreed, or “thoroughbred” horse. It originated in England from c...

Zoshchenko, Mikhail Mikhailovich

(Encyclopedia)Zoshchenko, Mikhail Mikhailovich mēkhəyēl mēkhīˈləvĭch zôˈshchənkô [key], 1895–1958, Soviet humorist. Zoshchenko was born in Poltava, but spent most of his life in St. Petersburg where h...

alcoholism

(Encyclopedia)alcoholism, 04/00 disease characterized by impaired control over the consumption of alcoholic beverages. Alcoholism is a serious problem worldwide; in the United States the wide availability of alcoho...

Mollusca

(Encyclopedia)Mollusca məlŭsˈkə [key], taxonomic name for the one of the largest phyla of invertebrate animals (Arthropoda is the largest) comprising more than 50,000 living mollusk species and about 35,000 fos...

Chu Ta

(Encyclopedia)Chu Ta or Zhu Da both: jo͞o dä [key], c.1626–c.1705, Chinese painter and calligrapher, also known as Pa-ta-shan-jen or Bada Shanren. Said to have been a descendant of the imperial Ming family, he ...

numeration

(Encyclopedia)numeration, in mathematics, process of designating numbers according to any particular system; the number designations are in turn called numerals. In any place value system of numeration, a base numb...

morphine

(Encyclopedia)morphine, principal derivative of opium, which is the juice in the unripe seed pods of the opium poppy, Papaver somniferum. It was first isolated from opium in 1803 by the German pharmacist F. W. A. S...

mercury poisoning

(Encyclopedia)mercury poisoning, tissue damage resulting from exposure to more than trace amounts of the element mercury or its compounds. Elemental mercury (the silver liquid familiar from thermometers) is the mos...

blood pressure

(Encyclopedia)blood pressure, force exerted by the blood upon the walls of the arteries. The pressure in the arteries originates in the pumping action of the heart, and pressure waves can be felt at the wrist and a...

fungal infection

(Encyclopedia)fungal infection, infection caused by a fungus (see Fungi), some affecting animals, others plants. Serious damage is done to crops each year by fungal infections of plants such as smuts, rusts, ergo...

Browse by Subject