# adamantium

> English word · Noun · IPA /ˌæ.dəˈmæn.tɪ.əm/ · frequency rank #77,381

## Definitions
1. A fictional metal which is indestructible or nearly so.

## Etymology
From adamant + -ium (suffix forming humorous- or scientific-sounding fictional substance names).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/adamantium