| 释义 |
iron [`ī·ǝrn] CHEMISTRY A silvery-white metallic element, symbol Fe, atomic number 26, atomic weight 55.847, melting at 1530°C. METALLURGY A heavy, magnetic, malleable and ductile metal occurring in meteorites and combined in a wide range of ores and most igneous rocks; it is one of the most widely used metals, and plays a role in biological processes. |