Columbia Encyclopedia

(Encyclopedia)  CE5 Snow occurs in many different forms. Among the various recognized classes of forms are (A) needles; (B) columns and groups of columns; (C) plates; (D) branched, or dendritic, plates; (E) combin...

(Encyclopedia) Brown, Trisha, 1936–2017, American dancer and choreographer acclaimed for having revolutionized modern dance in the late 20th cent., b. Aberdeen, Wash. After studying dance at Mills College (B.A., 1...

(Encyclopedia) blood, fluid pumped by the heart that circulates throughout the body via the arteries, veins, and capillaries (see circulatory system; heart). An adult male of average size normally has about 6 quarts...

(Encyclopedia) parrot, common name for members of the order Psittaciformes, comprising nearly 400 species of colorful birds, pantropical in distribution, including the parakeets. Parrots have large heads and short n...

(Encyclopedia) pepper, name for the fruits of several unrelated Old and New World plants used as spices or vegetables or in medicine. True pepper is classified in the division Magnoliophyta, class Magnoliopsida,...

(Encyclopedia) miniature pinscher, breed of lively toy dog originating in Germany in the late 19th cent. It stands from 10 to 12 in. (25.4–30.5 cm) high at the shoulder and weighs from 8 to 10 lb (3.6–4.5 kg). I...

(Encyclopedia) oarfish, large, elongated fish, genus Regalecus, found in the oceans worldwide except for the polar regions. Oarfish species are solitary and rarely seen by humans. The giant oarfish, R. glesne, is th...

(Encyclopedia) obsidian ŏbsĭdˈēən [key], a volcanic glass, homogeneous in texture and having a low water content, with a vitreous luster and a conchoidal fracture. The color is commonly black, but may be some s...

(Encyclopedia) Laughton, Charles, 1899–1962, Anglo-American actor, b. Scarborough, England. A large, versatile character actor, Laughton was successful both in films and on the stage. In The Private Life of Henry ...

(Encyclopedia) olivine ŏlĭvˈēn [key], an iron-magnesium silicate mineral, (Mg,Fe)2SiO4, crystallizing in the orthorhombic system. It is a common constituent of magnesium-rich, silica-poor igneous rocks; metamorp...