Boron — (pronEng|ˈbɔərɒn) is a chemical element with atomic number 5 and the chemical symbol B. Boron is a trivalent nonmetallic element which occurs abundantly in the evaporite ores borax and ulexite. Boron is never found as a free element on… … Wikipedia
Boron nitride — IUPAC name Boron nitride Identifiers … Wikipedia
Semiconductor device — Semiconductor devices are electronic components that exploit the electronic properties of semiconductor materials, principally silicon, germanium, and gallium arsenide. Semiconductor devices have replaced thermionic devices (vacuum tubes) in most … Wikipedia
boron — ► NOUN ▪ a non metallic chemical element which can be prepared as a brown powder or (if pure) a black crystalline semiconductor. DERIVATIVES boride noun. ORIGIN from BORAX(Cf. ↑borax) … English terms dictionary
boron — boronic /boh ron ik, baw , beuh /, adj. /bawr on, bohr /, n. Chem. a nonmetallic element occurring naturally only in combination, as in borax or boric acid, and obtained in either an amorphous or a crystalline form when reduced from its compounds … Universalium
semiconductor — /sem ee keuhn duk teuhr, sem uy /, n. 1. a substance, as silicon or germanium, with electrical conductivity intermediate between that of an insulator and a conductor: a basic component of various kinds of electronic circuit element (semiconductor … Universalium
semiconductor device — ▪ electronics Introduction electronic circuit component made from a material that is neither a good conductor nor a good insulator (hence semiconductor). Such devices have found wide applications because of their compactness, reliability,… … Universalium
Semiconductor — Citations missing|date=March 2008A semiconductor is a solid material that has electrical conductivity in between a conductor and an insulator; it can vary over that wide range either permanently or dynamically. [. They are used in many… … Wikipedia
Boron phosphide — Chembox new ImageFile = ImageSize = IUPACName = OtherNames = Section1 = Chembox Identifiers CASNo = 20205 91 8 PubChem = SMILES = Section2 = Chembox Properties Formula = BP MolarMass = 41.7855 g/mol Appearance = Density = MeltingPt = BoilingPt =… … Wikipedia
Boron trichloride — Chembox new Name = Boron trichloride ImageFile = Boron trichloride 2D.png ImageName = Boron trichloride ImageFile1 = Boron trichloride 3D vdW.png ImageName1 = Boron trichloride IUPACName = Boron trichloride OtherNames = Boron(III) chloride… … Wikipedia