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blue vitriol

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

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...

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. ...

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