# chalcedony

> English word · Noun · IPA /kælˈsɛd.ə.ni/ · frequency rank #86,127

## Definitions
1. A form of fine-grained quartz that is nearly transparent or has a milky translucence; it fractures conchoidally.

## Etymology
Borrowed from Latin chalcēdōnius, from Ancient Greek χαλκηδόνιος (khalkēdónios), from Ancient Greek χαλκηδών (khalkēdṓn), cognate to Arabic كَرْكَنْد (karkand).

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