# unobtainium

> English word · Noun · IPA /(ˌ)ʌn.ɒbˈteɪ.nɪ.əm/

## Definitions
1. A fictional material or component which, if it existed, would enable one to easily solve a hard problem.
2. An especially rare material or component that is outrageously expensive or otherwise almost impossible to get hold of.
3. A high technology component that is extremely expensive.

## Etymology
From unobtain(able) + -ium (suffix typical of names of atomic elements), modelled after uranium and titanium. Compare also the origin of dysprosium.

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