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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 whale

(Encyclopedia)blue whale, a baleen whale, Balaenoptera musculus. Also called the sulphur-bottom whale and Sibbald's rorqual, it is the largest animal that has ever lived. Blue whales have been known to reach a leng...

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...

Glen Ridge

(Encyclopedia)Glen Ridge, borough (2020 pop. 7,802), Essex co., NE N.J., a residential suburb of New York City; inc. 1895. Originally part of Bloomfield Township, the...

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. ...

Pleasure Ridge Park

(Encyclopedia)Pleasure Ridge Park, uninc. town (1990 pop. 25,131), Jefferson co., N Ky. It is a residential suburb of Louisville.