siderite
/ˈsɪdəraɪt/noun
1
- mass noun a brown mineral consisting of ferrous carbonate, occurring as the main component of some kinds of ironstone or as rhombohedral crystals in mineral veins菱铁矿。
2
- a meteorite consisting mainly of nickel and iron铁陨星, 陨铁。
派生词
sideritic
adjective词源
late 16th cent. (denoting lodestone)： from Greek sidēros 'iron'+-ITE1.