# obsidian

> English word · Noun · IPA /ˌɒbˈsɪd.i.ən/ · frequency rank #30,903

## Definitions
1. A type of naturally occurring black glass produced by volcanoes.
2. A slightly bluish black, the color of obsidian glass.

## Etymology
From Latin obsidianus; named after Obsidius, who was, according to Pliny, the Roman who discovered the stone in Aethiopia.

## Common misspellings (11)
`bosidian`, `obbsidian`, `obisdian`, `obsdiian`, `obsidain`, `obsiddian`, `obsidiann`, `obsidina`, `obsiidan`, `obssidian`, `osbidian`

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