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单词 cassiterite
释义

WordReference Random House Unabridged Dictionary of American English © 2024
cas•sit•er•ite  (kə sitə rīt′),USA pronunciation n. 
  1. Mineralogya brown or black mineral, tin dioxide, SnO2, that crystallizes in the tetragonal system;
    tinstone: the principal ore of tin.
  • Greek kassíter(os) tin + -ite1
  • 1855–60

Collins Concise English Dictionary © HarperCollins Publishers::
cassiterite /kəˈsɪtəˌraɪt/ n
  1. a black or brown mineral, found in igneous rocks and hydrothermal veins. It is a source of tin. Composition: tin oxide. Formula: SnO2. Crystal structure: tetragonal
    Also called: tinstone
Etymology: 19th Century: from Greek kassiteros tin
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更新时间:2024/9/21 8:24:20