Columbia Encyclopedia

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World Trade Center

(Encyclopedia)World Trade Center, former building complex in lower Manhattan, New York City, consisting of seven buildings and a shopping concourse on a 16-acre (6.5-hectare) site; it was destroyed by a terrorist a...

cricket, sport

(Encyclopedia)cricket, ball-and-bat game played chiefly in Great Britain and the Commonwealth countries. In the early 21st cent., Twenty20, a new version of cricket with a much faster, more compressed format, eme...

Indian literature

(Encyclopedia)Indian literature. Oral literature in the vernacular languages of India is of great antiquity, but it was not until about the 16th cent. that an extensive written literature appeared. Chief factors in...

dentistry

(Encyclopedia)dentistry, treatment and care of the teeth and associated oral structures. Dentistry is mainly concerned with tooth decay, disease of the supporting structures, such as the gums, and faulty positionin...

designer drug

(Encyclopedia)designer drug, chemical substance synthesized in a laboratory that is intended to have effects similar to those of a drug that is a controlled substance, such as methamphetamine, marijuana, LSD, or an...

Sikhism

(Encyclopedia)Sikhism sĭkˈĭzəm [key], religion centered in the Indian state of Punjab, numbering worldwide some 19 million. Some 300,000 Sikhs live in Britain, and there are smaller communities in North America...

poliomyelitis

(Encyclopedia)poliomyelitis pōˌlēōmīˌəlīˈtĭs [key], polio, or infantile paralysis, acute viral infection, mainly of children but also affecting older persons. Historically, there were three immunologic ty...

atomic bomb

(Encyclopedia)atomic bomb or A-bomb, weapon deriving its explosive force from the release of nuclear energy through the fission (splitting) of heavy atomic nuclei. The first atomic bomb was produced at the Los Alam...

ass

(Encyclopedia)ass, hoofed, herbivorous mammal of the genus Equus, closely related to the horse. It is distinguished from the horse by its small size, large head, long ears, and small hooves. There are three living ...

Hinduism

(Encyclopedia)Hinduism hinˈdo͞oĭzəm [key], Western term for the religious beliefs and practices of the vast majority of the people of India. One of the oldest living religions in the world, Hinduism is unique a...