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单词 siderite
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WordReference Random House Unabridged Dictionary of American English © 2024
sid•er•ite  (sid′ə rīt′),USA pronunciation n. 
  1. MineralogyAlso called chalybite. a common mineral, iron carbonate, FeCO3, usually occurring in yellowish to deep-brown cleavable masses: a minor ore of iron.
  2. Mineralogya meteorite consisting almost entirely of metallic minerals.
  • Greek sidērí̄tēs loadstone
  • Latin sidērītēs
  • 1570–80, in sense "loadstone''; 1845–50 for def. 1; sider- + -ite1; in obsolete sense, variant of siderites
sid•er•it•ic  (sid′ə rit′ik),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
siderite /ˈsaɪdəˌraɪt/ n

  1. 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
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更新时间：2025/7/23 17:37:25