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ammoniac
ammoniac or gum ammoniac , yellowish substance with a sickening, bitter taste, obtained from the milky exudate of the injured stem of a plant ( Dorema ammoniacum ) found in Iran, India, and S Siberia. It is a gum resin, soluble in alcohol and ether. It is used in industry in the manufacture of porcelain cements and in medicine as an expectorant. When gum ammoniac is distilled, it yields a liquid, oil of ammoniac. |
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"ammoniac." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "ammoniac." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1E1-ammoniac.html "ammoniac." The Columbia Encyclopedia, 6th ed.. 2008. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-ammoniac.html |
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ammoniacal
am·mo·ni·a·cal / ˌaməˈnī-ikəl/ • adj. of or containing ammonia. |
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Cite this article
"ammoniacal." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "ammoniacal." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O999-ammoniacal.html "ammoniacal." The Oxford Pocket Dictionary of Current English. 2009. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-ammoniacal.html |
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