Webster's Revised Unabridged Dictionary · 1913

Anatron

Anatron ({not transcribed}) , noun

[French anatron, natron, Sp. anatron, natron, from Arabic al-natrūn. See Natron, Niter.]

1.
Native carbonate of soda; natron. [Obsolete]
2.
Glass gall or sandiver.
3.
Saltpeter. — Coxe