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.
... 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 Read full book for free!