# jeffersonite

> English word · Noun

## Definitions
1. A zinc-containing variety of pyroxene of olive-green color passing into brown.

## Etymology
From Jefferson + -ite, after Thomas Jefferson.

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