# natron

> English word · Noun

## Definitions
1. A crystalline mixture of hydrous sodium carbonate and sodium bicarbonate, with the chemical formula Na₂CO₃·10H₂O.

## Etymology
From French natron, from Spanish natrón, from Arabic نَطْرُون (naṭrūn), from Ancient Greek νίτρον (nítron, “nitre”), ultimately from Egyptian nṯrj (“natron”): R9
Doublet of niter and trona.

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