Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The univalent chemical ion NH4+, derived from ammonia, whose compounds chemically resemble the alkali metals.
from The Century Dictionary.
- noun A name given to the hypothetical base (NH4) of ammonia, analogous to a metal, as potassium. .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun inorganic chemistry The
univalent NH4+cation , derived by theprotonation ofammonia .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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A year later Ampère discovered that nitrogen and hydrogen, when combined in certain proportions to form what he called ammonium, have the same property.
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ANFO seemed to be an acronym for ammonium nitrate and fuel oil.
Underworld Don Delillo 2008
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ANFO seemed to be an acronym for ammonium nitrate and fuel oil.
Underworld Don Delillo 2008
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ANFO seemed to be an acronym for ammonium nitrate and fuel oil.
Underworld Don Delillo 2008
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The oxidizer is called ammonium dinitramide A.D.N.
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The oxidizer is called ammonium dinitramide A.D.N.
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You may recall ammonium nitrate was used in the Oklahoma City bombing.
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The material is called ammonium nitrate binary explosive and it is used sometimes for target practice.
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Richard Brunquell passes ammonia through tubes filled with charcoal, and heated to redness so as to form cyanide of ammonium, which is converted into the ferrocyanide of potassium by contact with potash solution and suitable iron compounds.
Scientific American Supplement, No. 483, April 4, 1885 Various
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The salts formed by the action of the base ammonium hydroxide on acids are called ammonium salts.
An Elementary Study of Chemistry William McPherson
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