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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 ...

blue baby

(Encyclopedia)blue baby, infant born with a congenital heart defect that causes a bluish coloration of the skin as a result of cyanosis (deoxygenated blood). The color is most noticeable around the lips and at the ...

blue crab

(Encyclopedia)blue crab, common name for a crustacean, Callinectes sapidus, found on the S Atlantic and Gulf coasts of North America. The blue crab is a member of the family of swimming crabs known as the Portunida...

Prussian blue

(Encyclopedia)Prussian blue, pigment widely used for laundry bluing, in dyeing compounds, and in the manufacture of inks and paints. Several varieties are known, one of which consists of the chemical compound ferri...

Kerry blue terrier

(Encyclopedia)Kerry blue terrier, breed of large, sturdy terrier perfected in Ireland more than 100 years ago. It stands from 17 to 19 in. (43.2–48.3 cm) high at the shoulder and weighs from 30 to 40 lb (13.6–1...

Russian Blue cat

(Encyclopedia)Russian Blue cat: see cat.

Blue Cross plans

(Encyclopedia)Blue Cross plans: see health insurance. ...

blue-eyed grass

(Encyclopedia)blue-eyed grass: see iris.

blue-green algae

(Encyclopedia)blue-green algae, popular name for those microorganisms that are now more properly called cyanobacteria. ...

Blue Mountains, Australia

(Encyclopedia)Blue Mountains, region of New South Wales, SE Australia. Located W of Sydney, this elevation is actually a plateau forming part of the Great Dividing Range. ...