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noun Chemistry.
1.
a colorless, pungent, suffocating, highly water-soluble, gaseous compound, NH3, usually produced by the direct combination of nitrogen and hydrogen gases: used chiefly for refrigeration and in the manufacture of commercial chemicals and laboratory reagents.
2.
Also called ammonia solution, ammonia water, aqua ammoniae, aqua ammonia, aqueous ammonia. this gas dissolved in water; ammonium hydroxide.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Ammonia
is always a great word to know.
So is asymmetric. Does it mean:
| having an unsymmetrical arrangement of atoms in a molecule, or noting a carbon atom bonded to four different atoms or groups |
| of, pertaining to, or tending to develop into icelike crystals: glacial phosphoric acid |
Example Sentences
- The process takes several months and results in a pungent dish that reeks of fish and ammonia.
- If the gas is dissolved in water, it is called liquid ammonia.
- Ammonium hydroxide is a colorless liquid chemical solution that forms when ammonia dissolves in water.
Collins
World English Dictionary
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
ammonia
1799, coined 1782 by Swedish chemist Torbern Bergman (17351784) for gas obtained from sal ammoniac, salt deposits containing ammonium chloride found near temple of Jupiter Ammon (from Egyptian God Amun) in Libya, from Gk. ammoniakon "belonging to Ammon." The shrine was already ancient in Augustus' day,
EXPANDand the salts were prepared "from the sands where the camels waited while their masters prayed for good omens" [Shipley]. There also was a gum form of sal ammoniac, from a wild plant that grew near the shrine, and across North Africa and Asia. A less likely theory traces the name to Gk. Armeniakon "Armenian," since the substance also was found in Armenia. Also known as Spirit of Hartshorn and Volatile or Animal Alkali.
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
ammonia am·mo·nia (ə-mōn'yə)
n.
A colorless, pungent gas used to manufacture a wide variety of nitrogen-containing organic and inorganic chemicals.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
ammonia  (ə-mōn'yə) Pronunciation Key
A colorless alkaline gas that is lighter than air and has a strongly pungent odor. It is used as a fertilizer and refrigerant, in medicine, and in making dyes, textiles, plastics, and explosives. Chemical formula: NH3. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Word Dynamo Rating For Ammonia
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