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Boron   /bˈɔrˌɑn/   Listen
noun
Boron  n.  (Chem.) A nonmetallic element occurring abundantly in borax. It is reduced with difficulty to the free state, when it can be obtained in several different forms; viz., as a substance of a deep olive color, in a semimetallic form, and in colorless quadratic crystals similar to the diamond in hardness and other properties. It occurs in nature also in boracite, datolite, tourmaline, and some other minerals. Atomic number 5. Atomic weight 10.81. Symbol B.






Collaborative International Dictionary of English 0.48








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"Boron" Quotes from Famous Books



... processing, autos, mining (coal, chromite, copper, boron), steel, petroleum, construction, ...
— The 2001 CIA World Factbook • United States. Central Intelligence Agency.

... Rowland adds: "The substances under the head of 'Not in the Solar Spectrum' are often placed there because the elements have few strong lines or none at all in the limit of the solar spectrum when the arc spectrum, which I have used, is employed. Thus, boron has only two strong lines at 2497. Again, the lines of bismuth are all compound, and so too diffuse to appear in the solar spectrum. Indeed, some good reason generally appears for their absence from the solar spectrum. Of course, there is ...
— Scientific American Supplement, No. 799, April 25, 1891 • Various

... in the Historia Regum Britanniae by Geoffrey of Monmouth ([] 1154), passed into French literature, bearing the character which the bishop of St. Asaph had stamped upon them. Chretien de Troye's Perceval (c. 1175) is doubtless based on an Anglo-Norman poem. Robert de Boron (c. 1215) took the subject of his Merlin (published by G. Paris and J. Ulrich, 1886, 2 vols., Societe des Anciens Textes) from Geoffrey of Monmouth. Finally, the most celebrated love-legend of the middle ages, ...
— Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 • Various



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