from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Sodium or potassium bicarbonate used as a leavening agent; baking soda.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. sodium bicarbonate
  • n. potassium bicarbonate

from the GNU version of the Collaborative International Dictionary of English

  • n. Aërated salt; a white crystalline substance having an alkaline taste and reaction, consisting of sodium bicarbonate (see under sodium.) It is largely used in cooking, with sour milk (lactic acid) or cream of tartar as a substitute for yeast. It is also an ingredient of most baking powders, and is used in the preparation of effervescing drinks.

from The Century Dictionary and Cyclopedia

  • n. Originally potassium bicarbonate, but at present sodium bicarbonate is commonly sold under the same name.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid


New Latin sāl āerātus : Latin sāl, salt; see sal + New Latin āerātus, aerated (from Latin āēr, air; see air).
(American Heritage® Dictionary of the English Language, Fourth Edition)



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  • "Take one quart of sour milk, or buttermilk; stir in as much corn meal as will make a pancake batter; take one teacupful of flour, and one teaspoonful of saleratus; beat well together; then add three eggs well beaten...."
    —Susan Williams, Savory Suppers and Fashionable Feasts: Dining in Victorian America (New York: Pantheon Books, 1985), 214

    May 4, 2010

  • I keep reading this as slateralus.

    August 11, 2008

  • I love reading early C20 books, where characters have names like Annixter and no-one bats an eyelid.

    August 11, 2008

  • Indeed.

    August 11, 2008

  • There's a first time for everything, rt.

    August 11, 2008

  • *thinking*

    No. No, I don't believe I've ever been called a name like that before.

    *thinking some more*

    Definitely not. Dough-deflater, perhaps. Flabby? Most certainly not.

    August 11, 2008

  • What, and gain reknown as a salt-of-carbonic-acid thief? You flabby old dough-deflater you!

    August 11, 2008

  • Must try using that phrase.

    August 11, 2008

  • "Huh," grunted Annixter with grim satisfaction, a certain sense of good humour at length returning to him, "that just about takes the saleratus out of YOUR dough, my friend."

    - Frank Norris, The Octopus, ch. 2

    August 9, 2008