Columbia Encyclopedia

Search results

500 results found

Bergman, Hjalmar

(Encyclopedia)Bergman, Hjalmar yälˈmär bĕrˈyəmän [key], 1883–1931, Swedish novelist, dramatist, and short-story writer. A popular and prolific writer, Bergman wrote from the background of an unhappy childh...

Brookhaven National Laboratory

(Encyclopedia)Brookhaven National Laboratory, scientific research center, at Upton (town of Brookhaven), Long Island, N.Y. It was founded in 1947 by Associated Universities, a management corporation sponsored by ni...

raven

(Encyclopedia)raven, common name for the largest members of the family Corvidae (crow family), ranging throughout the arctic and temperate regions of the Northern Hemisphere. The common raven, Corvus corax, is a gl...

satyr

(Encyclopedia)satyr sāˈtər, sătˈər [key], in Greek mythology, part bestial, part human creature of the forests and mountains. Satyrs were usually represented as being very hairy and having the tails and ears ...

homicide

(Encyclopedia)homicide hŏmˈəsīd [key], in law, the taking of human life. Homicides that are neither justifiable nor excusable are considered crimes. A criminal homicide committed with malice is known as murder,...

Marburg virus disease

(Encyclopedia)Marburg virus disease, formerly known as Marburg virus hemorrhagic fever, disease caused by infection with a Marburg virus, a filovirus that belongs to a family (Filoviridae) of RNA viruses that also ...

machine tool

(Encyclopedia)machine tool, power-operated tool used for finishing or shaping metal parts, especially parts of other machines. An establishment that is equipped with such tools and specializes in such work is known...

selenium

(Encyclopedia)selenium səlēˈnēəm [key], nonmetallic chemical element; symbol Se; at. no. 34; at. wt. 78.96; m.p. 217℃; b.p. about 685℃; sp. gr. 4.81 at 20℃; valence −2, +4, or +6. Selenium is directly ...

skull

(Encyclopedia)CE5 Bones of skull skull, the skeletal structure of the head, composed of the facial and cranial bones. The skull houses and protects the brain and most of the chief sense organs; i.e., the eyes, ...

probiotic

(Encyclopedia)probiotic, live microorganism administered to a host with the intention of providing a health benefit, or a food, supplement, or treatment containing such microorganisms. Many of the microbes found in...