2. (Min.)
Defn: Said of crystalline rocks which contain a relatively low percentage of silica, as basalt. Basic salt (Chem.), a salt formed from a base or hydroxide by the partial replacement of its hydrogen by a negative or acid element or radical.
BASICERITE
Ba*sic"er*ite, n. Etym: [Basi- + Gr. horn, antenna.] (Zoöl.)
Defn: The second joint of the antennæ of crustaceans.
BASICITY Ba*sic"i*ty, n. (Chem.) (a) The quality or state of being a base. (b) The power of an acid to unite with one or more atoms or equivalents of a base, as indicated by the number of replaceable hydrogen atoms contained in the acid.
BASIC PROCESS
Ba"sic proc"ess. (Iron Metal.)
Defn: A Bessemer or open-hearth steel-making process in which a lining that is basic, or not siliceous, is used, and additions of basic material are made to the molten charge during treatment. Opposed to acid process, above. Called also Thomas process.
BASIC SLAG
Basic slag.
Defn: A by-product from the manufacture of steel by the basic process, used as a fertilizer. It is rich in lime and contains 14 to 20 per cent of phosphoric acid. Called also Thomas slag, phosphatic slag, and odorless phosphate.
BASIC STEEL
Basic steel.