Boracite
a strongly pyroelectric mineral, a borate and chloride of magnesium, Mg 6 Cl 2 B 14 O 26 , occurring in white or colorless cubic crystals or fine-grained masses.
Historical Examples
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 Various
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 Various
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 Various
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2 Various
noun
a white mineral that forms salt deposits of magnesium borate and chloride in orthorhombic crystalline form. Formula: Mg3ClB7O13
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a plant, Borago officinalis, native to southern Europe, having hairy leaves and stems, used medicinally and in salads. Compare borage family. any of various allied or similar plants. Historical Examples Cakes & Ale Edward Spencer Cakes & Ale Edward Spencer Cups and their Customs George Edwin Roberts Appletons’ Popular Science Monthly, August 1899 Various Flowers […]
- Borage-family
any member of the plant family Boraginaceae, typified by herbaceous plants, shrubs, and trees having simple, alternate, hairy leaves and usually blue, five-lobed flowers in a cluster that uncoils as they bloom, including borage, bugloss, and forget-me-not.
- Boraginaceous
belonging to the plant family Boraginaceae. adjective of, relating to, or belonging to the Boraginaceae, a family of temperate and tropical typically hairy-leaved flowering plants that includes forget-me-not, lungwort, borage, comfrey, and heliotrope
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William Edgar, 1865–1940, U.S. senator from Idaho 1906–40. Mount, Borah Peak. Historical Examples Mince Pie Author: Christopher Darlington Morley Release Date: October 10, 2004 [eBook #13694] Christopher Darlington Morley Behind the Mirrors Clinton W. Gilbert Potash and Perlmutter Settle Things Montague Glass Behind the Mirrors Clinton W. Gilbert Behind the Mirrors Clinton W. Gilbert Behind […]
- Borah-peak
a mountain in central Idaho, in the Lost River Range: highest peak in Idaho. 12,662 feet (3861 meters).