Defn: A rare variety of camphor, C10H17.OH, resembling ordinary camphor, from which it can be produced by reduction. It is said to occur in the camphor tree of Borneo and Sumatra (Dryobalanops camphora), but the natural borneol is rarely found in European or American commerce, being in great request by the Chinese. Called also Borneo camphor, Malay camphor, and camphol.
BORNITE
Bor"nite, n. Etym: [Named after Von Born, a mineralogist.] (Min.)
Defn: A valuable ore of copper, containing copper, iron, and sulphur; — also called purple copper ore (or erubescite), in allusion to the colors shown upon the slightly tarnished surface.
BOROFLUORIDE
Bo`ro*flu"or*ide, n. Etym: [Boron + fluoride.] (Chem.)
Defn: A double fluoride of boron and hydrogen, or some other positive element, or radical; — called also fluoboride, and formerly fluoborate.
BOROGLYCERIDE
Bo"ro*glyc"er*ide, n. Etym: [Boron + glyceride.] (Chem.)
Defn: A compound of boric acid and glycerin, used as an antiseptic.
BORON
Bo"ron, n. Etym: [See Borax.] (Chem.)
Defn: 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 weight 10.9. Symbol B.
BOROSILICATE
Bo"ro*sil"i*cate, n. Etym: [Boron + silicate.] (Chem.)