ammonium

[ uh-moh-nee-uhm ]

/ əˈmoʊ ni əm /

noun Chemistry.

the univalent ion, NH4+, or group, NH4, which plays the part of a metal in the salt formed when ammonia reacts with an acid.

Origin of ammonium

<New Latin; see ammonia, -ium; coined by J. J. Berzelius in 1808

Words nearby ammonium

ammonify, ammonio-, ammonioferric oxalate, ammonite, Ammonites, ammonium, ammonium acetate, ammonium bicarbonate, ammonium bifluoride, ammonium binoxalate, ammonium carbamate

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for ammonium

Back in the lab, they’re testing whether applying heat and adding ammonium salts and certain weak acids can break down the bonds, freeing up more calcium and magnesium to grab hold of carbon dioxide.
Asbestos could be a powerful weapon against climate change (you read that right)|James Temple|October 6, 2020|MIT Technology Review
Ammonium nitrate is extremely common, and pretty dangerous, and also extremely useful.
The Most Dangerous Substance in America May Be Fertilizer|Megan McArdle|April 19, 2013|DAILY BEAST
The ammonium picrate, and recently resorcine, have been used with success.
A System of Practical Medicine by American Authors, Vol. I|Various
Write the equation representing the action of ammonium sulphide upon chromium sulphate.
An Elementary Study of Chemistry|William McPherson

Ammonium carbonate, soap, and borax are practically harmless in their effect on the hair.
Principles and Practice of Fur Dressing and Fur Dyeing|William E. Austin
A solution of 50 grams of ammonium sulphide per liter of water is next brushed on, and the fur again dried.
Principles and Practice of Fur Dressing and Fur Dyeing|William E. Austin
Give chloride of ammonium in 30 grain doses to prevent delirium; strychnine or digitalin hypodermically.
Aids to Forensic Medicine and Toxicology|W. G. Aitchison Robertson

British Dictionary definitions for ammonium

ammonium

/ (əˈməʊnɪəm, -njəm) /

noun

(modifier) of, consisting of, or containing the monovalent group NH 4 – or the ion NH 4 +ammonium compounds

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for ammonium

ammonium

[ ə-mō′nē-əm ]

n.

The univalent radical NH4+, that is derived from ammonia and that reacts as a univalent metal in forming ammonium compounds.

Scientific definitions for ammonium

ammonium

[ ə-mō′nē-əm ]

A positively charged ion, NH4, derived from ammonia and found in a wide variety of organic and inorganic compounds. Compounds of ammonium chemically resemble the alkali metals.

单词	ammonium
释义	ammonium [ uh-moh-nee-uhm ] / əˈmoʊ ni əm / noun Chemistry. the univalent ion, NH4+, or group, NH4, which plays the part of a metal in the salt formed when ammonia reacts with an acid. Origin of ammonium <New Latin; see ammonia, -ium; coined by J. J. Berzelius in 1808 Words nearby ammonium ammonify, ammonio-, ammonioferric oxalate, ammonite, Ammonites, ammonium, ammonium acetate, ammonium bicarbonate, ammonium bifluoride, ammonium binoxalate, ammonium carbamate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for ammonium Back in the lab, they’re testing whether applying heat and adding ammonium salts and certain weak acids can break down the bonds, freeing up more calcium and magnesium to grab hold of carbon dioxide. Asbestos could be a powerful weapon against climate change (you read that right)\|James Temple\|October 6, 2020\|MIT Technology Review Ammonium nitrate is extremely common, and pretty dangerous, and also extremely useful. The Most Dangerous Substance in America May Be Fertilizer\|Megan McArdle\|April 19, 2013\|DAILY BEAST The ammonium picrate, and recently resorcine, have been used with success. A System of Practical Medicine by American Authors, Vol. I\|Various Write the equation representing the action of ammonium sulphide upon chromium sulphate. An Elementary Study of Chemistry\|William McPherson Ammonium carbonate, soap, and borax are practically harmless in their effect on the hair. Principles and Practice of Fur Dressing and Fur Dyeing\|William E. Austin A solution of 50 grams of ammonium sulphide per liter of water is next brushed on, and the fur again dried. Principles and Practice of Fur Dressing and Fur Dyeing\|William E. Austin Give chloride of ammonium in 30 grain doses to prevent delirium; strychnine or digitalin hypodermically. Aids to Forensic Medicine and Toxicology\|W. G. Aitchison Robertson British Dictionary definitions for ammonium ammonium / (əˈməʊnɪəm, -njəm) / noun (modifier) of, consisting of, or containing the monovalent group NH 4 – or the ion NH 4 +ammonium compounds Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for ammonium ammonium [ ə-mō′nē-əm ] n. The univalent radical NH4+, that is derived from ammonia and that reacts as a univalent metal in forming ammonium compounds. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for ammonium ammonium [ ə-mō′nē-əm ] A positively charged ion, NH4, derived from ammonia and found in a wide variety of organic and inorganic compounds. Compounds of ammonium chemically resemble the alkali metals. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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