ad·a·man·tine /ˌædəˈmænˌtin, ˌtaɪn, ˈmæntṇ/
  (a.)非常堅硬的,堅定不移金剛合金
  ad·a·man·tine /ˌædəˈmænˌtɪn, ˌtaɪn, ˈmæntṇ/ 形容詞
  (牙)釉質的
  Ad·a·man·tine a.
  1. Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated; as, adamantine bonds or chains.
  2. Min. Like the diamond in hardness or luster.
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  adamantine
       adj 1: consisting of or having the hardness of adamant
       2: having the hardness of a diamond
       3: not capable of being swayed or diverted from a course;
          unsusceptible to persuasion; "he is adamant in his refusal
          to change his mind"; "Cynthia was inexorable; she would
          have none of him"- W.Churchill; "an intransigent
          conservative opposed to every liberal tendancy" [syn: adamant,
           inexorable, intransigent]