Goethite

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  goethite \goethite\ n. (Miner.)
     an oxide of iron.
  
     Syn: gothite.
          [WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  goethite
       n : a red or yellow or brown mineral; an oxide of iron that is a
           common constituent of rust [syn: {gothite}]