Adamantine

2 definitions found

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

  Adamantine \Ad`a*man"tine\, a. [L. adamantinus, Gr. ?.]
     1. Made of adamant, or having the qualities of adamant;
        incapable of being broken, dissolved, or penetrated; as,
        adamantine bonds or chains.
        [1913 Webster]
  


     2. (Min.) Like the diamond in hardness or luster.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  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}]