Hypertext Webster Gateway: "natron"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Natron \Na"tron\, n. [F., fr. Sp. natron, Ar. natr[=u]n,
nitr[=u]n. Cf. {Niter}, {Anatron}.] (Min.)
Native sodium carbonate. [Written also {anatron}.]
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