ad·a·mant /ˈædəmənt, ˌmænt/
 堅硬的東西(a.)非常堅硬的


 Ad·a·mant n.
 1. A stone imagined by some to be of impenetrable hardness; a name given to the diamond and other substances of extreme hardness; but in modern mineralogy it has no technical signification. It is now a rhetorical or poetical name for the embodiment of impenetrable hardness.
 Opposed the rocky orb
 Of tenfold adamant, his ample shield.   --Milton.
 2. Lodestone; magnet. [Obs.] “A great adamant of acquaintance.”
    As true to thee as steel to adamant.   --Greene.

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 adamant
      adj : 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: adamantine, inexorable, intransigent]
      n : very hard native crystalline carbon valued as a gem [syn: diamond]


 Adamant
    (Heb. shamir), Ezek. 3:9. The Greek word adamas means diamond.
    This stone is not referred to, but corundum or some kind of hard
    steel. It is an emblem of firmness in resisting adversaries of
    the truth (Zech. 7:12), and of hard-heartedness against the
    truth (Jer. 17:1).