noun
Origin: ME nitre < MFr < L nitrum < Gr nitron, native soda, natron < Heb or Egypt: Heb netr < Egypt nṯr
See niter in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English nitre, sodium carbonate, natron
Origin: , from Old French
Origin: , from Latin nitrum
Origin: , from Greek nitron
Origin: , from Egyptian nīr
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