borax glass

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• borax glass — noun : a transparent anhydrous glassy solid formed by fusing borax …   Useful english dictionary

• Glass batch calculation — or glass batching is used to determine the correct mix of raw materials (batch) for a glass melt.PrincipleThe raw materials mixture for glass melting is termed batch . The batch calculation is based on the common linear regression equation:NB =… …   Wikipedia

• Glass-to-metal seal — Glass to metal seals are a very important element of the construction of vacuum tubes, electric discharge tubes, incandescent light bulbs, glass encapsulated semiconductor diodes, reed switches, pressure tight glass windows in metal cases, and… …   Wikipedia

• borax — [bôr′aks΄] n. [ME < ML borax < Ar bauraq < Pers būrah] 1. sodium borate, a white, anhydrous, crystalline salt, Na2B4O7, with an alkaline taste, used as a flux in soldering metals and in the manufacture of glass, enamel, artificial gems,… …   English World dictionary

• borax — ► NOUN ▪ a white mineral consisting of hydrated sodium borate, found in some alkaline salt deposits and used in making glass and as a metallurgical flux. ORIGIN Latin, from Aramaic …   English terms dictionary

• borax — borax1 /bawr aks, euhks, bohr /, n., pl. boraxes, boraces /bawr euh seez , bohr /. a white, water soluble powder or crystals, hydrated sodium borate, Na2B4O7·10H2O, occurring naturally or obtained from naturally occurring borates; tincal: used as …   Universalium

• Borax — For other uses, see Borax (disambiguation). Sodium borate redirects here. For sodium perborate, see Sodium perborate. Borax …   Wikipedia

• glass — glassless, adj. glasslike, adj. /glas, glahs/, n. 1. a hard, brittle, noncrystalline, more or less transparent substance produced by fusion, usually consisting of mutually dissolved silica and silicates that also contain soda and lime, as in the… …   Universalium

• glass — /glas / (say glahs) noun 1. a hard, brittle, more or less transparent substance produced by fusion, usually consisting of mutually dissolved silica and silicates (the ordinary variety used for windows, bottles, and the like, containing silica,… …  

• glass — [[t]glæs, glɑs[/t]] n. 1) chem. a hard, brittle, noncrystalline, more or less transparent substance, atomically a supercooled liquid, usu. produced by fusing silicates containing soda and lime, as in the ordinary variety used for windows and… …   From formal English to slang

• Borax bead test — The borax bead test is a traditional part of qualitative inorganic analysis to test for the presence of certain metals.A small loop is made in the end of a platinum wire (as used in the flame test) and heated in a Bunsen flame until red hot. It… …   Wikipedia