siderite
n. 菱铁矿, 陨铁 [化] 菱铁矿
词形变化
siderites
复数
siderites
释义与例句
n.
-
1.
a widespread brown mineral, FeCO₃, having the structure of calcite.
不可数 化学 地质 可数 -
2.
an iron meteorite
可数 不可数 -
3.
An indigo-blue variety of quartz.
可数 不可数 -
4.
magnetic iron ore; lodestone
可数 废旧 不可数
词汇关系
词源
From Ancient Greek σιδηρίτης (sidērítēs, “made of iron”), from Ancient Greek σίδηρος (sídēros, “iron”), or from Latin sideritis (“lodestone”), from Ancient Greek σιδηρῖτις (sidērîtis, “loadstone”). By surface analysis, sider- + -ite.
来源：wiktionary