Definition of "nitre" []

• Chiefly British Variant of niter. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Mention of this substance is made in (Proverbs 25: 20) -- "and as vinegar upon nitre" -- and in (Jeremiah 2: 26) The article denoted is not that which we now understand by the term nitre i.e. nitrate of Potassa -- "saltpetre" -- but the nitrum of the Latins and the natron or native carbonate of soda of modern chemistry."
• "You know, nitre is the most important stuff to make powder with."
• "They have calculated what quantity of matter convertible into nitre is to be found in Bedford House, in Woburn Abbey, and in what his Grace and his trustees have still suffered to stand of that foolish royalist Inigo Jones, in Covent Garden."