Columbia Encyclopedia

Search results

500 results found

Greenland right whale

(Encyclopedia)Greenland right whale: see right whale. ...

whale oil

(Encyclopedia)whale oil, oil extracted from the blubber and other parts of certain species of whales. It varies in composition, color, and the degree of fishy odor according to the method and extent of refining. Fo...

blue shift

(Encyclopedia)blue shift or blueshift, in astronomy, the systematic displacement of individual lines in the spectrum of a celestial object toward the blue, or shorter wavelength, end of the visible spectrum. The am...

blue jay

(Encyclopedia)blue jay, common name for a familiar bird (Cyanocitta cristata) of central and E North America, allied to the crow, the raven, and the magpie, belonging to the family Corvidae. Almost a foot (30 cm) l...

Blue Nile

(Encyclopedia)Blue Nile, Arab. Bahr el Azraq, river, c.1,000 mi (1,600 km) long, the chief headstream of the Nile, rising in Lake Tana, NW Ethiopia, at an altitude of c.6,000 ft (1,800 m). It flows generally S from...

Blue Ridge

(Encyclopedia)Blue Ridge, eastern range of the Appalachian Mts., extending south from S Pa. to N Ga.; highest mountains in the E United States. Mt. Mitchell, 6,684 ft (2,037 m) high, is the tallest peak. Beginning ...

blue laws

(Encyclopedia)blue laws, legislation regulating public and private conduct, especially laws relating to Sabbath observance. The term was originally applied to the 17th-century laws of the theocratic New Haven colon...

Blue Rider

(Encyclopedia)Blue Rider: see Blaue Reiter, der. ...

blue vitriol

(Encyclopedia)blue vitriol, the pentahydrate of cupric sulfate. ...

Blue Island

(Encyclopedia)Blue Island, city (2020 pop. 22,549), Cook co., NE Ill., a residential and industrial suburb of Chicago, on the Little Calumet River; inc. 1843. It has ...