英文字典中文字典51ZiDian.com
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goethite 针铁矿 针铁矿 goethite n 1: a red or yellow or brown mineral; an oxide of iron that is a common constituent of rust [synonym: {goethite}, {gothite}] Gothite \G["o]"thite\, gothite \go"thite\, or Goethite
\Goe"thite\, n. [After the poet G["o]the.] (Min.) A hydrous oxide of iron ({HFeO2}), occurring in prismatic crystals, also massive, with a fibrous, reniform, or stalactitic structure. The color varies from yellowish to blackish brown. [1913 Webster] goethite \goethite\ n. (Miner.) an oxide of iron. Syn: gothite. [WordNet 1.5]
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