Also called chalybite. a common mineral, iron carbonate, FeCO 3 , usually occurring in yellowish to deep-brown cleavable masses: a minor ore of iron.
a meteorite consisting almost entirely of metallic minerals.
Also called chalybite. a pale yellow to brownish-black mineral consisting chiefly of iron carbonate in hexagonal crystalline form. It occurs mainly in ore veins and sedimentary rocks and is an important source of iron. Formula: FeCO3
a meteorite consisting principally of metallic iron
noun, Astronomy. 1. year (def 4c). sidereal year noun 1. See year (sense 5)
noun 1. the act or process of surrounding and attacking a fortified place in such a way as to isolate it from help and supplies, for the purpose of lessening the resistance of the defenders and thereby making capture possible. 2. any prolonged or persistent effort to overcome resistance. 3. a series of illnesses, troubles, […]
noun 1. (in the Nibelungenlied) the wife of Sigmund and mother of Siegfried.
noun 1. Elie [el-ee] /ˈɛl i/ (Show IPA), 1909–91, U.S. composer.
noun, (used with a singular verb) 1. Electricity. the standard unit of electrical conductance in the International System of Units (SI), equal to the reciprocal of the ohm and replacing the equivalent MKS unit (mho) Abbreviation: S. noun 1. (Ernst) Werner von [ernst ver-nuh r fuh n] /ˈɛrnst ˈvɛr nər fən/ (Show IPA), 1816–92, German […]