hydroxide
noun
hy·drox·ide
hī-ˈdräk-ˌsīd 
1
: the monovalent anion OH− consisting of one atom of hydrogen and one of oxygen
called also hydroxide ion
2
: an ionic compound of hydroxide with an element or group
Examples of hydroxide in a Sentence
Recent Examples on the Web
For example, some ingredients in toothpaste, such as calcium hydroxide or aluminum hydroxide, can reduce the effectiveness of mouthwash.
—
Heather Jones, Verywell Health, 5 Jan. 2025
Popular antacids are Gaviscon (alginic acid/sodium bicarbonate/aluminum hydroxide/magnesium carbonate), Mylanta (aluminum hydroxide/magnesium hydroxide), Rolaids (calcium carbonate/magnesium hydroxide), and Tums (calcium carbonate).
—Patricia Weiser, Pharmd, Verywell Health, 2 Oct. 2024
The active ingredients include aluminum hydroxide and magnesium hydroxide.
—Alex Yampolsky, Verywell Health, 11 Sep. 2024
Context: Lithium carbonate is a measure of how much of the mineral is in derivatives like lithium chloride and lithium hydroxide, which are processed for use in rechargeable batteries.
—Worth Sparkman, Axios, 7 Aug. 2024
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Heather Jones, Verywell Health, 5 Jan. 2025
Popular antacids are Gaviscon (alginic acid/sodium bicarbonate/aluminum hydroxide/magnesium carbonate), Mylanta (aluminum hydroxide/magnesium hydroxide), Rolaids (calcium carbonate/magnesium hydroxide), and Tums (calcium carbonate).
—Patricia Weiser, Pharmd, Verywell Health, 2 Oct. 2024
The active ingredients include aluminum hydroxide and magnesium hydroxide.
—Alex Yampolsky, Verywell Health, 11 Sep. 2024
Context: Lithium carbonate is a measure of how much of the mineral is in derivatives like lithium chloride and lithium hydroxide, which are processed for use in rechargeable batteries.
—Worth Sparkman, Axios, 7 Aug. 2024
See all Example Sentences for hydroxide
Dictionary Entries Near hydroxide
Cite this Entry
“Hydroxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydroxide. Accessed 8 Feb. 2025.
Copy CitationKids Definition
hydroxide
noun
hy·drox·ide
hī-ˈdräk-ˌsīd
: a negatively charged ion consisting of one atom of oxygen and one atom of hydrogen
Medical Definition
hydroxide
noun
hy·drox·ide
hī-ˈdräk-ˌsīd
1
: the monovalent anion OH− consisting of one atom of hydrogen and one of oxygen
called also hydroxide ion
2
: an ionic compound of hydroxide with an element or group
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