adamantine

From Middle English adamantine, from Latin adamantinus.

adamantine (comparative more adamantine, superlative most adamantine)

1. Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated

   adamantine bonds

   adamantine chains

   • 1674, John Milton, Paradise Lost, Book I, lines 44–49:

     Him the Almighty Power

     Hurld headlong flaming from th' Ethereal Skie

     With hideous ruine and combustion down

     To bottomless perdition, there to dwell

     In Adamantine Chains and penal Fire,

     Who durst defie th' Omnipotent to Arms.

   • 1837 Thomas Carlyle, The French Revolution: A History

     For two hours they stand; Bouillé's sword glittering in his hand, adamantine resolution clouding his brows[.]

   • 1984, Gayle Rubin, "Thinking Sex" in Carole S. Vance, Pleasure and Danger: Exploring Female Sexuality (Boston: Routledge and Kegan Paul), 267-319.

     Sex law is the most adamantine instrument of sexual stratification and erotic persecution.

2. Like the diamond in hardness or luster.

• amantadine, diamantane

adamantine

1. feminine singular of adamantin

adamantine f pl

1. feminine plural of adamantino

adamantine

1. vocative masculine singular of adamantinus

• adamantyne, adamauntyn

From Latin adamantinus; equivalent to adamant +‎ -ine.

• IPA^(key): /adəˈmantiːn(ə)/, /adəˈmau̯ntiːn(ə)/

adamantine

1. (rare) Relating to adamant; adamantine.

• English: adamantine

• “adama(u)ntīn (adj.)” in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 2018-05-11.