adamantium

Etymology
From.

Noun

 * 1) A fictional metal that is indestructible or nearly so.

Translations

 * Japanese: アダマンティウム
 * Korean: 아다만티움
 * Portuguese: adamantium
 * Russian: адама́нтий

Adjective

 * 1) Made of adamantium.

Etymology
.

Noun

 * 1)   fictional indestructible metal