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soda niter

American

noun

a white or transparent mineral, sodium nitrate, NaNO 3 , used chiefly as a fertilizer and in the manufacture of sulfuric and nitric acids and potassium nitrate.

Etymology

Origin of soda niter

First recorded in 1895–1900

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.