ammonium
noun
am·mo·ni·um
ə-ˈmō-nē-əm 
: an ion NH4+ derived from ammonia by combination with a hydrogen ion and known in compounds (such as salts) that resemble in properties the compounds of the alkali metals
Examples of ammonium in a Sentence
Recent Examples on the Web
Other chemicals where inventories are tight include ascorbic acid found in Vitamin C, ammonium bicarbonate used to make baking/cleaning products, and sodium thiocyanate, a critical chemical for concrete used in construction.
—
Lori Ann Larocco, CNBC, 12 May 2025
Both ammonium perchlorate and dioctyl sebacate are chemicals usable in solid propellant rocket motors, which are commonly used for ballistic missiles, according to the Treasury Department.
—Ashleigh Fields, The Hill, 30 Apr. 2025
Iran’s military sought to deny the delivery of ammonium perchlorate from China, but new videos emerged showing an apocalyptic scene at the still-smoldering port.
—Jon Gambrell, Los Angeles Times, 27 Apr. 2025
Supply troubles Defense analyst Hinz said that while Iran has previously boasted of its ability to produce ammonium perchlorate themselves, this delivery hints at supply chain bottlenecks as domestic precursor supply has been unable to meet missile production needs.
—Saskya Vandoorne, CNN, 13 Feb. 2025
See All Example Sentences for ammonium
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Lori Ann Larocco, CNBC, 12 May 2025
Both ammonium perchlorate and dioctyl sebacate are chemicals usable in solid propellant rocket motors, which are commonly used for ballistic missiles, according to the Treasury Department.
—Ashleigh Fields, The Hill, 30 Apr. 2025
Iran’s military sought to deny the delivery of ammonium perchlorate from China, but new videos emerged showing an apocalyptic scene at the still-smoldering port.
—Jon Gambrell, Los Angeles Times, 27 Apr. 2025
Supply troubles Defense analyst Hinz said that while Iran has previously boasted of its ability to produce ammonium perchlorate themselves, this delivery hints at supply chain bottlenecks as domestic precursor supply has been unable to meet missile production needs.
—Saskya Vandoorne, CNN, 13 Feb. 2025
See All Example Sentences for ammonium
Cite this Entry
“Ammonium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ammonium. Accessed 24 May. 2025.
Copy CitationKids Definition
ammonium
noun
am·mo·ni·um
ə-ˈmō-nē-əm
: an ion that comes from the combination of ammonia with a hydrogen ion
Medical Definition
ammonium
noun
am·mo·ni·um
ə-ˈmō-nē-əm
: an ion NH4+ derived from ammonia by combination with a hydrogen ion and known in organic compounds (as quaternary ammonium compounds) and in compounds (as salts) that resemble in properties the compounds of the alkali metals
Love words? Need even more definitions?
Merriam-Webster unabridged
Share